message: Fix aio args.
diff: @@ -398,8 +398,6 @@ static void php_swoole_aio_onFileCompleted(swAio_event *event)
  if (event->type == SW_AIO_READ)
  {
  zcontent = &_zcontent;
  - args[0] = *file_req->filename;
  - args[1] = *zcontent;
  if (ret < 0)
  {
  ZVAL_STRING(zcontent, "");
  @@ -408,13 +406,15 @@ static void php_swoole_aio_onFileCompleted(swAio_event *event)
  {
  ZVAL_STRINGL(zcontent, event->buf, ret);
  }
  + args[0] = *file_req->filename;
  + args[1] = *zcontent;
  }
  else if (event->type == SW_AIO_WRITE)
  {
  zwriten = &_zwriten;
  + ZVAL_LONG(zwriten, ret);
  args[0] = *file_req->filename;
  args[1] = *zwriten;
  - ZVAL_LONG(zwriten, ret);
  }
  else
  {
  