Avoid using IP_RECVDSTADDR on Windows XP despite undocumented definition in MSVC100.
Avoid using IP_RECVDSTADDR on Windows XP despite undocumented definition in MSVC100.

jdelgadoalfonso/openpgm,jdelgadoalfonso/openpgm,jdelgadoalfonso/openpgm,jdelgadoalfonso/openpgm,jdelgadoalfonso/openpgm,jdelgadoalfonso/openpgm