s/478/479 for private IP

etc/iptel.cfg

@@ -198,7 +198,7 @@ route{
 		# (note: does not match with folded lines)
 		if (search("(Contact|m): .*@(192\.168\.|10\.|172\.16)")) {
 			log("LOG: Someone trying to register from private IP again\n");
-			sl_send_reply("478", "We dont accept private IP requests" );
+			sl_send_reply("479", "We dont accept private IP requests" );
 			break;
 		};