message: Fix a redis memory leak and trace core dump.
diff: @@ -1375,7 +1375,7 @@ static PHP_METHOD(swoole_redis_coro, __destruct)
  {
  return;
  }
  - if (redis->state != SWOOLE_REDIS_CORO_STATE_CLOSED)
  + if (redis->state != SWOOLE_REDIS_CORO_STATE_CLOSED && redis->state != SWOOLE_REDIS_CORO_STATE_CONNECT)
  {
  swTraceLog(SW_TRACE_REDIS_CLIENT, "close connection, fd=%d", redis->context->c.fd);
  