message: fixed swoole_http_request->__destruct crash.
diff: @@ -1481,8 +1481,11 @@ static PHP_METHOD(swoole_http_request, __destruct)
  continue;
  }
  unlink(Z_STRVAL_P(file_path));
  + if (SG(rfc1867_uploaded_files))
  + {
  sw_zend_hash_del(SG(rfc1867_uploaded_files), Z_STRVAL_P(file_path), Z_STRLEN_P(file_path) + 1);
  }
  + }
  SW_HASHTABLE_FOREACH_END();
  }
  swoole_set_object(getThis(), NULL);
  