include: Include ipifcons.h from ifdef.h.

include/ifdef.h

@@ -18,6 +18,8 @@
 #ifndef WINE_IFDEF_H
 #define WINE_IFDEF_H
 
+#include <ipifcons.h>
+
 typedef ULONG32 NET_IF_OBJECT_ID, *PNET_IF_OBJECT_ID;
 typedef UINT32 NET_IF_COMPARTMENT_ID, *PNET_IF_COMPARTMENT_ID;
 typedef GUID NET_IF_NETWORK_GUID, *PNET_IF_NETWORK_GUID;