route(1) changed to route(RELAY)

- reported by Mangust (mangust2), SF.net #2897872

etc/kamailio.cfg

@@ -278,7 +278,7 @@ route{
 				setflag(1); # do accounting ...
 				setflag(3); # ... even if the transaction fails
 			}
-			route(1);
+			route(RELAY);
 		} else {
 			if (is_method("SUBSCRIBE") && uri == myself) {
 				# in-dialog subscribe requests