PR/1882242: Fixed.


git-svn-id: svn+ssh://svn.code.sf.net/p/mingw-w64/code/trunk@263 4407c894-4637-0410-b4f5-ada5f102cad1
diff --git a/mingw-w64-headers/include/ws2tcpip.h b/mingw-w64-headers/include/ws2tcpip.h
index ff7ac94..29d0c9e 100644
--- a/mingw-w64-headers/include/ws2tcpip.h
+++ b/mingw-w64-headers/include/ws2tcpip.h
@@ -10,13 +10,7 @@
 #pragma GCC system_header
 #endif
 
-#if (defined _WINSOCK_H && !defined _WINSOCK2_H)
-#error "ws2tcpip.h is not compatible with winsock.h. Include winsock2.h instead."
-#endif
-
-#ifndef _WINSOCK2_H
 #include <winsock2.h>
-#endif
 
 /**
 struct ip_mreq {