message: fix redis->subscribe error
diff: @@ -3958,6 +3958,7 @@ static void swoole_redis_coro_onResult(redisAsyncContext *c, void *r, void *priv
  {
  goto error;
  }
  + redis->state = SWOOLE_REDIS_CORO_STATE_READY;
  break;
  default:
  redis->state = SWOOLE_REDIS_CORO_STATE_READY;
  