experimental IPv6 implementation (patch 1771429)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@50061 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/wrapwin.h

@@ -57,6 +57,12 @@
 #undef __WINDOWS__
 #endif
 
+// For IPv6 support, we must include winsock2.h before winsock.h, and
+// windows.h include winsock.h so do it before including it
+#if wxUSE_IPV6
+    #include <winsock2.h>
+#endif
+
 #include <windows.h>
 
 #if defined(__WXWINCE__) && !defined(__WINDOWS__)
@@ -106,3 +112,4 @@ WXDLLEXPORT int wxMSLU_GetSaveFileNameW(void *ofn);
 
 #endif // _WX_WRAPWIN_H_
 
+