This change will only apply to mingw compilers, and has been found
necessary by late versions of the mingw-w64 compiler. It's the same as
what is done elsewhere for the Microsoft compilers.
Backpatch of commit
73838b5251e.
Problem reported by Michael Cronenworth, although not his patch.
#undef EINTR
#define EINTR WSAEINTR
#define EAGAIN WSAEWOULDBLOCK
+#undef EMSGSIZE
#define EMSGSIZE WSAEMSGSIZE
+#undef EAFNOSUPPORT
#define EAFNOSUPPORT WSAEAFNOSUPPORT
+#undef EWOULDBLOCK
#define EWOULDBLOCK WSAEWOULDBLOCK
+#undef ECONNRESET
#define ECONNRESET WSAECONNRESET
+#undef EINPROGRESS
#define EINPROGRESS WSAEINPROGRESS
+#undef ENOBUFS
#define ENOBUFS WSAENOBUFS
+#undef EPROTONOSUPPORT
#define EPROTONOSUPPORT WSAEPROTONOSUPPORT
+#undef ECONNREFUSED
#define ECONNREFUSED WSAECONNREFUSED
+#undef EBADFD
#define EBADFD WSAENOTSOCK
+#undef EOPNOTSUPP
#define EOPNOTSUPP WSAEOPNOTSUPP
/*