message: fix swClient sleep bugs
diff: @@ -197,7 +197,7 @@ int swClient_sleep(swClient *cli)
  {
  ret = cli->reactor->del(cli->reactor, cli->socket->fd);
  }
  - if (ret)
  + if (ret == SW_OK)
  {
  cli->sleep = 1;
  }
  @@ -215,7 +215,7 @@ int swClient_wakeup(swClient *cli)
  {
  ret = cli->reactor->add(cli->reactor, cli->socket->fd, cli->socket->fdtype | SW_EVENT_READ);
  }
  - if (ret)
  + if (ret == SW_OK)
  {
  cli->sleep = 0;
  }
  