message: fix error with CygWin
diff: @@ -329,7 +329,7 @@ static int swReactorProcess_loop(swProcessPool *pool, swWorker *worker)
  {
  if (swReactorProcess_reuse_port(ls) < 0)
  {
  - _fail: swReactor_free_output_buffer(n_buffer);
  + swReactor_free_output_buffer(n_buffer);
  swoole_event_free();
  return SW_ERR;
  }
  @@ -413,7 +413,9 @@ static int swReactorProcess_loop(swProcessPool *pool, swWorker *worker)
  */
  if ((serv->master_timer = swTimer_add(&SwooleG.timer, 1000, 1, serv, swServer_master_onTimer)) == NULL)
  {
  - goto _fail;
  + _fail: swReactor_free_output_buffer(n_buffer);
  + swoole_event_free();
  + return SW_ERR;
  }
  swWorker_onStart(serv);
  