message: Fix duplicate onShutdown event.
diff: @@ -111,12 +111,7 @@ int swReactorProcess_start(swServer *serv)
  {
  serv->onStart(serv);
  }
  - int retval = swReactorProcess_loop(&serv->gs->event_workers, &serv->gs->event_workers.workers[0]);
  - if (serv->onShutdown)
  - {
  - serv->onShutdown(serv);
  - }
  - return retval;
  + return swReactorProcess_loop(&serv->gs->event_workers, &serv->gs->event_workers.workers[0]);
  }
  for (i = 0; i < serv->worker_num; i++)
  