include/net-snmp/library/snmpUDPBaseDomain.h: Add a missing declaration
Remove the NETSNMP_DONTWAIT / NETSNMP_NOSIGNAL aliases for sendto/sendmsg flags

Note: this patch is a more elaborate version of the V5-7-patches commit
89a504fe331e09a54f6b01c2877cf022900705a8 (2011-12-19).
Win32: Visual Studio 2013 build fix

Apparently Visual Studio 2013 does not support goto <typedef name>.
Hence rename the UINT label. For consistency reasons, also rename
the OCT label.
Merge branch 'V5-4-patches' into V5-5-patches

* V5-4-patches:
  Win32: Visual Studio 2013 build fix

Conflicts:
	perl/SNMP/SNMP.xs
Merge branch 'V5-5-patches' into V5-6-patches

* V5-5-patches:
  Win32: Visual Studio 2013 build fix
MinGW: Build fix

Apparently with recent MinGW header files <winsock2.h> should be
included instead of <winsock.h>. Modify <net-snmp/types.h> accordingly.
Merge branch 'V5-4-patches' into V5-5-patches

* V5-4-patches:
  MinGW: Build fix
Merge branch 'V5-5-patches' into V5-6-patches

* V5-5-patches:
  MinGW: Build fix