Added break in routeQuery switch, avoiding the execution of default.

This was noticed during PHP tests with mysql_change_user


This bug is related to recent code modification in readconnroute.c, revno > 362

Now fixed

server/modules/routing/readconnroute.c

@@ -508,6 +508,8 @@ int               rc;
                         NULL,
                         session->backend_dcb->session,
                         queue);
+
+		break;
         default:
                 rc = session->backend_dcb->func.write(
                         session->backend_dcb,