message: fix bug of updating id property of process
diff: @@ -3063,7 +3063,7 @@ static PHP_METHOD(swoole_server, addProcess)
  swoole_php_fatal_error(E_WARNING, "swServer_add_worker failed.");
  RETURN_FALSE;
  }
  - zend_update_property_long(swoole_process_ce_ptr, getThis(), ZEND_STRL("id"), id);
  + zend_update_property_long(swoole_process_ce_ptr, process, ZEND_STRL("id"), id);
  RETURN_LONG(id);
  }
  