message: remove swSocket_clean.
diff: @@ -1000,11 +1000,6 @@ swClient* php_swoole_client_new(zval *object, char *host, int host_len, int port
  cli->close(cli);
  goto create_socket;
  }
  - //clear history data
  - if (ret > 0)
  - {
  - swSocket_clean(cli->socket->fd);
  - }
  cli->reuse_count ++;
  zend_update_property_long(swoole_client_class_entry_ptr, object, ZEND_STRL("reuseCount"), cli->reuse_count TSRMLS_CC);
  }
  @@ -1557,6 +1552,11 @@ static PHP_METHOD(swoole_client, recv)
  {
  goto check_return;
  }
  + else if (ret != header_len)
  + {
  + ret = 0;
  + goto check_return;
  + }
  buf_len = protocol->get_package_length(protocol, cli->socket, cli->buffer->str, ret);
  @@ -1583,6 +1583,10 @@ static PHP_METHOD(swoole_client, recv)
  if (ret > 0)
  {
  ret += header_len;
  + if (ret != buf_len)
  + {
  + ret = 0;
  + }
  }
  }
  else
  