Fixing issue with windows.h being included before websocketpp.

Author: stgates

Release/tests/functional/websockets/utilities/stdafx.h

@@ -29,6 +29,13 @@
 // This header is required to define _MS_WINDOWS
 #include "cpprest/xxpublic.h"
 
+#if defined(_MS_WINDOWS) && _MSC_VER < 1800
+// pplxtasks.h includes Windows.h on VS2012 only WinRT, which is terrible.
+// Need to include before to avoid winsock issues with websocketpp.
+#define NOMINMAX
+#include <winsock2.h>
+#endif
+
 #include "cpprest/uri.h"
 #include "cpprest/asyncrt_utils.h"
 #include "cpprest/streams.h"