message: Fix http2 destruct memory error.
diff: @@ -864,7 +864,8 @@ static void http2_client_onTimeout(swTimer *timer, swTimer_node *tnode)
  static PHP_METHOD(swoole_http2_client_coro, __destruct)
  {
  - http2_client_property *hcc = swoole_get_property(getThis(), HTTP2_CLIENT_CORO_PROPERTY);
  + zval *zobject = getThis();
  + http2_client_property *hcc = swoole_get_property(zobject, HTTP2_CLIENT_CORO_PROPERTY);
  if (hcc)
  {
  if (hcc->inflater)
  @@ -880,20 +881,15 @@ static PHP_METHOD(swoole_http2_client_coro, __destruct)
  swHashMap_free(hcc->streams);
  efree(hcc);
  - swoole_set_property(getThis(), HTTP2_CLIENT_CORO_PROPERTY, NULL);
  + swoole_set_property(zobject, HTTP2_CLIENT_CORO_PROPERTY, NULL);
  }
  - php_context *context = swoole_get_property(getThis(), HTTP2_CLIENT_CORO_CONTEXT);
  - efree(context);
  - swoole_set_property(getThis(), HTTP2_CLIENT_CORO_CONTEXT, NULL);
  + php_context *context = swoole_get_property(zobject, HTTP2_CLIENT_CORO_CONTEXT);
  + swoole_set_property(zobject, HTTP2_CLIENT_CORO_CONTEXT, NULL);
  - swClient *cli = swoole_get_object(getThis());
  - if (!cli)
  + swClient *cli = swoole_get_object(zobject);
  + if (cli)
  {
  - return;
  - }
  -
  - zval *zobject = getThis();
  zval *retval = NULL;
  sw_zend_call_method_with_0_params(&zobject, swoole_http2_client_coro_class_entry_ptr, NULL, "close", &retval);
  if (retval)
  @@ -902,6 +898,9 @@ static PHP_METHOD(swoole_http2_client_coro, __destruct)
  }
  }
  + efree(context);
  +}
  +
  static PHP_METHOD(swoole_http2_client_coro, close)
  {
  swClient *cli = swoole_get_object(getThis());
  