Merge branch 'V5-7-patches'
Merge remote-tracking branch 'origin/V5-4-patches' into V5-4-patches
Merge branch 'V5-4-patches' into V5-5-patches
Merge branch 'V5-5-patches' into V5-6-patches
Merge branch 'V5-6-patches' into V5-7-patches
Merge branch 'V5-7-patches'
Use SD_LISTEN_FDS_START instead of a magic number
Remove unused functions
Make two more netsnmp_sd_ functions static
Move the definition of SD_LISTEN_FDS_START to the implementation
route_ioctl.c: set proper mask before SIOCDELRT.
Merge branch 'V5-7-patches'

* V5-7-patches:
  route_ioctl.c: set proper mask before SIOCDELRT.
snmpnetstat: fix call of memcpy with overlapping areas.
Merge branch 'V5-7-patches'

* V5-7-patches:
  snmpnetstat: fix call of memcpy with overlapping areas.
Fix some man page spellings.
Merge branch 'V5-7-patches'

* V5-7-patches:
  Fix some man page spellings.
testing/Makefile.in: make sure '$' survives for perl test.
Merge branch 'V5-6-patches' into V5-7-patches

* V5-6-patches:
  testing/Makefile.in: make sure '$' survives for perl test.
Merge branch 'V5-7-patches'

* V5-7-patches:
  testing/Makefile.in: make sure '$' survives for perl test.
Fix test for com2sec6 access.