Disabled getting motd from update server in standalone build.

code/qcommon/qcommon.h

@@ -260,7 +260,9 @@ PROTOCOL
 // NOTE: that stuff only works with two digits protocols
 extern int demo_protocols[];
 
+#if !defined UPDATE_SERVER_NAME && !defined STANDALONE
 #define	UPDATE_SERVER_NAME	"update.quake3arena.com"
+#endif
 // override on command line, config files etc.
 #ifndef MASTER_SERVER_NAME
 #define MASTER_SERVER_NAME	"master.quake3arena.com"