libnm: Fix type mismatch in test

Causes the info->remaining to be counted incorrectly possibly resulting in
g_main_loop_quit() being called twice:

  Program received signal SIGSEGV, Segmentation fault.
  0x00007ffff5a03155 in g_mutex_lock (mutex=0x7ffff7b764b4) at gthread-posix.c:1331
  1331	  if G_UNLIKELY (g_atomic_int_add (&mutex->i[0], 1) != 0)
  Missing separate debuginfos, use: debuginfo-install libgcc-4.9.2-1.fc21.x86_64 libgudev1-216-8.fc21.x86_64 libselinux-2.3-5.fc21.x86_64 libuuid-2.25.2-1.fc21.x86_64 ncurses-libs-5.9-16.20140323.fc21.x86_64 nspr-4.10.7-1.fc21.x86_64 nss-3.17.2-1.fc21.x86_64 nss-softokn-3.17.2-1.fc21.x86_64 nss-softokn-freebl-3.17.2-1.fc21.x86_64 nss-util-3.17.2-1.fc21.x86_64 sqlite-3.8.7-1.fc21.x86_64 systemd-libs-216-8.fc21.x86_64
  (gdb) bt
  #0  0x00007ffff5a03155 in g_mutex_lock (mutex=0x7ffff7b764b4) at gthread-posix.c:1331
  #1  0x00007ffff59bf258 in g_main_loop_quit (loop=0x7fffffffd130) at gmain.c:4000
  #5  0x00007ffff5edc3bf in <emit signal notify:active-connection on instance 0x5555557bd180 [NMDeviceVlan]> (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at gsignal.c:3365
      #2  0x00007ffff5ec1d35 in g_closure_invoke (closure=0x5555557b3da0, return_value=return_value@entry=0x0, n_param_values=2, param_values=param_values@entry=0x7fffffffd760, invocation_hint=invocation_hint@entry=0x7fffffffd700) at gclosure.c:768
      #3  0x00007ffff5ed3a52 in signal_emit_unlocked_R (node=node@entry=0x555555787040, detail=detail@entry=341, instance=instance@entry=0x5555557bd180, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffffffd760) at gsignal.c:3553
      #4  0x00007ffff5edc191 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fffffffd8f0) at gsignal.c:3309
  #6  0x00007ffff5ec6465 in g_object_dispatch_properties_changed (object=0x7ffff7b764b4, n_pspecs=1434087776, pspecs=0x5555557ba880) at gobject.c:1056
  #7  0x00007ffff5ec88c1 in g_object_notify (pspec=<optimized out>, object=0x5555557bd180 [NMDeviceVlan])
      at gobject.c:1149
  #8  0x00007ffff5ec88c1 in g_object_notify (object=0x5555557bd180 [NMDeviceVlan], property_name=property_name@entry=0x7ffff7b772f6 "active-connection") at gobject.c:1197
  #9  0x00007ffff7ae57d3 in deferred_notify_cb (data=<optimized out>) at nm-object.c:246
  #10 0x00007ffff59beafb in g_main_context_dispatch (context=0x555555784ac0) at gmain.c:3111
  #11 0x00007ffff59beafb in g_main_context_dispatch (context=context@entry=0x555555784ac0) at gmain.c:3710
  #12 0x00007ffff59bee98 in g_main_context_iterate (context=0x555555784ac0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3781
  #13 0x00007ffff59bf1c2 in g_main_loop_run (loop=0x5555557699e0) at gmain.c:3975
  #14 0x000055555555811d in test_activate_virtual () at test-nm-client.c:1103
  #15 0x00007ffff59e4243 in g_test_run_suite_internal (tc=0x555555769a30) at gtestutils.c:2059
  #16 0x00007ffff59e4243 in g_test_run_suite_internal (suite=suite@entry=0x555555766640, path=path@entry=0x7ffff5a6355e "") at gtestutils.c:2120
  #17 0x00007ffff59e4412 in g_test_run_suite_internal (suite=suite@entry=0x555555766620, path=<optimized out>,
      path@entry=0x7ffff5a6355e "") at gtestutils.c:2131
  #18 0x00007ffff59e477b in g_test_run_suite (suite=0x555555766620) at gtestutils.c:2184
  #19 0x00007ffff59e47b1 in g_test_run () at gtestutils.c:1488
  #20 0x0000555555556c01 in main (argc=1, argv=0x7fffffffe028) at test-nm-client.c:1189
dhcp-manager: Keep size of PID consistent

Things explode on i386 when marshalling a 32-bit value when a 64-bit one is
expected:

  Program received signal SIGSEGV, Segmentation fault.
  __memset_sse2 () at ../sysdeps/i386/i686/multiarch/memset-sse2.S:242
  242		movdqu	%xmm0, (%edx)
  Missing separate debuginfos, use: debuginfo-install nss-mdns-0.10-15.fc21.i686
  (gdb) bt
  #0  0xffffffff in __memset_sse2 () at ../sysdeps/i386/i686/multiarch/memset-sse2.S:242
  #1  0xffffffff in g_hash_table_remove_all_nodes (__len=<optimized out>, __ch=0, __dest=<optimized out>)
      at /usr/include/bits/string3.h:84
  #2  0xffffffff in g_hash_table_remove_all_nodes (hash_table=hash_table@entry=0x82ee250<error reading variable: Cannot access memory at address 0x8dbaacd6>, notify=notify@entry=1) at ghash.c:481
  #3  0xffffffff in g_hash_table_unref (hash_table=0x82ee250<error reading variable: Cannot access memory at address 0x8dbaacd6>) at ghash.c:1042
  #4  0xffffffff in _g_type_boxed_free (type=136861824, value=0x82ee250) at gtype.c:4262
  #5  0xffffffff in boxed_proxy_value_free (value=0xbfffe8ec) at gboxed.c:209
  #6  0xffffffff in g_value_unset (value=value@entry=0xbfffe8ec) at gvalue.c:272
  #7  0xffffffff in g_signal_emit_valist (instance=instance@entry=0x82492b8, signal_id=signal_id@entry=125, detail=detail@entry=0, var_args=<optimized out>, var_args@entry=0xbfffea4c "\030\342.\bL#") at gsignal.c:3338
  #8  0xffffffff in g_signal_emit (instance=0x82492b8, signal_id=125, detail=0) at gsignal.c:3365
  #9  0x0809c05d in handle_event (proxy=0xb5d012e8 [DBusGProxy], options=0x82eb640 = {...}, user_data=0x82492b8)
      at dhcp-manager/nm-dhcp-listener.c:146
  #10 0xffffffff in g_cclosure_marshal_VOID__BOXED (closure=0x82bf270, return_value=0x0, n_param_values=2, param_values=0x82c60c0, invocation_hint=0xbfffec68, marshal_data=0x0) at gmarshal.c:1120
  #11 0xffffffff in marshal_dbus_message_to_g_marshaller () at /lib/libdbus-glib-1.so.2
  #15 0xffffffff in <emit signal received:org-freedesktop-nm_dhcp_client-Event on instance 0xb5d012e8 [DBusGProxy]> (instance=0xb5d012e8, signal_id=19, detail=915) at gsignal.c:3365
      #12 0xffffffff in g_closure_invoke (closure=0x82bf270, return_value=return_value@entry=0x0, n_param_values=n_param_values@entry=3, param_values=param_values@entry=0xbfffecc0, invocation_hint=invocation_hint@entry=0xbfffec68) at gclosure.c:768
      #13 0xffffffff in signal_emit_unlocked_R (node=node@entry=0x8263660, detail=detail@entry=915, instance=0xb5d012e8, emission_return=emission_return@entry=0x0, instance_and_params=0xbfffecc0) at gsignal.c:3553
      #14 0xffffffff in g_signal_emit_valist (instance=instance@entry=0xb5d012e8, signal_id=signal_id@entry=19, detail=detail@entry=915, var_args=0xbfffee34 "\340\370.\b\004",
      var_args@entry=0xbfffee2c "\340\370.\b\300\303/\b\340\370.\b\004") at gsignal.c:3309
  #16 0xffffffff in dbus_g_proxy_manager_filter () at /lib/libdbus-glib-1.so.2
  #17 0xffffffff in dbus_connection_dispatch () at /lib/libdbus-1.so.3
  #18 0xffffffff in message_queue_dispatch () at /lib/libdbus-glib-1.so.2
  #19 0xffffffff in g_main_context_dispatch (context=0x8246720) at gmain.c:3111
  #20 0xffffffff in g_main_context_dispatch (context=context@entry=0x8246720) at gmain.c:3710
  #21 0xffffffff in g_main_context_iterate (context=0x8246720, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3781
  #22 0xffffffff in g_main_loop_run (loop=0x8246798) at gmain.c:3975
  #23 0x08070c09 in main (argc=1, argv=0xbffff2b4) at main.c:479
  (gdb)

PIDs use native word width, a gint seems more suitable than gint32 or gint64.
Merge remote-tracking branches 'lr/lr-unmanaged-slaves', 'fd/lr/ipv6-tokens', 'fd/lr/team-activation', 'fd/lr/openvpn' and 'fd/lr/crashes' into integration