remove GNU_SOURCE from c file (we push from build system instead

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8561 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/xmlrpc-c/tools/xmlrpc_transport/xmlrpc_transport.c

@@ -2,7 +2,7 @@
    an XML-RPC call.
 */
 
-#define _GNU_SOURCE
+//#define _GNU_SOURCE
 
 #include <stdlib.h>
 #include <stdio.h>