build: Define _WIN32_WINNT=0x0501 when compiling tp-salut
build: Define _WIN32_WINNT=0x0501 when compiling tp-salut

-D_WIN32_WINNT=0x0501 need to be defined for getnameinfo to work
when cross compiling for windows

freedesktop-unofficial-mirror/telepathy__telepathy-salut,freedesktop-unofficial-mirror/telepathy__telepathy-salut,freedesktop-unofficial-mirror/telepathy__telepathy-salut,freedesktop-unofficial-mirror/telepathy__telepathy-salut