Comment out unneeded extensions.

diff --git a/include/rpcproxy.h b/include/rpcproxy.h
index 5ba378d..f4e2059 100644
--- a/include/rpcproxy.h
+++ b/include/rpcproxy.h
@@ -209,7 +209,8 @@
   for (c=0; c<sz; c++) if (!name##_CHECK_IID(c)) { (index)=c; return 1; } \
   return 0;
 
-#if defined(__WINESRC__) && defined(__WINE_WINE_OBJ_OLEAUT_H)
+#if 0
+
 /* see http://msdn.microsoft.com/library/en-us/dnmsj99/html/com0199.asp?frame=true */
 
 RPCRTAPI HRESULT RPC_ENTRY