diff -urN gtk-vnc-0.3.7.mingw/src/socketcompat.h gtk-vnc-0.3.7.socketcompat/src/socketcompat.h
--- gtk-vnc-0.3.7.mingw/src/socketcompat.h	2008-10-09 12:19:03.000000000 +0100
+++ gtk-vnc-0.3.7.socketcompat/src/socketcompat.h	2008-10-09 12:38:04.000000000 +0100
@@ -52,13 +52,6 @@
   return WSAGetLastError ();
 }
 
-/* Compatibility. */
-#define EWOULDBLOCK             WSAEWOULDBLOCK
-#define ECONNREFUSED            WSAECONNREFUSED
-#define EINPROGRESS             WSAEINPROGRESS
-#define EHOSTUNREACH            WSAEHOSTUNREACH
-#define EISCONN                 WSAEISCONN
-
 #endif /* HAVE_WINSOCK2_H */
 
 #endif /* __WINSOCKWRAPPER_H__ */