message: Fix wrong redis err read
diff: @@ -890,6 +890,8 @@ ZEND_END_ARG_INFO()
  }
  #define SW_REDIS_COMMAND_YIELD \
  + redis->context->err = 0; \
  + redis->context->errstr = NULL; \
  if (redis->state == SWOOLE_REDIS_CORO_STATE_MULTI || redis->state == SWOOLE_REDIS_CORO_STATE_PIPELINE) \
  { \
  redis->queued_cmd_count++; \
  