Pull up following revision(s) (requested by riastradh in ticket #1881):
	lib/libpthread/pthread.c: revision 1.137 via patch
return errno if pthread_create hits the system limit, not just -1
(this is not entirely correct because it can return ENOMEM which is
not mentioned in the spec, but there are other places in pthread_create
whete ENOMEM is returned -- it at all, this should be fixed everywhere)
Pull up following revision(s) (requested by riastradh in ticket #1882):
	gnu/dist/texinfo/util/texi2dvi: revision 1.10
Remove trailing whitespace in texi2dvi which confuses sed.
XXX pull up to 5, 6?
Pull up following revision(s) (requested by dholland in ticket #1883):
	common/lib/libc/sys/cpuset.c: revision 1.16
_cpuset_create: initialize size argument for sysctl call.
From PR/43837 by Sandy Snaman.
Pull up following revision(s) (requested by dholland in ticket #1885):
	usr.bin/systat/keyboard.c: revision 1.25
No David, '\?' is not the del character.  Broken in rev 1.21.
XXX pullup-5, pullup-6.
Pull up following revision(s) (requested by skrll in ticket #1886):
	sys/arch/hp700/hp700/autoconf.c: revision 1.51
Remember to unmap pagezero once we've finished with it. Found by gcc 4.8.
Tickets 1881, 1882, 1883, 1885, 1886