message: Fix zend_hash_clean assertion failure
diff: @@ -917,16 +917,8 @@ bool HttpClient::send() {
  // when new request, clear all properties about the last response
  {
  - zval *zattr;
  - zattr = sw_zend_read_property_ex(swoole_http_client_coro_ce, zobject, SW_ZSTR_KNOWN(SW_ZEND_STR_HEADERS), 0);
  - if (ZVAL_IS_ARRAY(zattr)) {
  - zend_hash_clean(Z_ARRVAL_P(zattr));
  - }
  - zattr = sw_zend_read_property_ex(
  - swoole_http_client_coro_ce, zobject, SW_ZSTR_KNOWN(SW_ZEND_STR_SET_COOKIE_HEADERS), 0);
  - if (ZVAL_IS_ARRAY(zattr)) {
  - zend_hash_clean(Z_ARRVAL_P(zattr));
  - }
  + zend_update_property_null(swoole_http_client_coro_ce, SW_Z8_OBJ_P(zobject), ZEND_STRL("headers"));
  + zend_update_property_null(swoole_http_client_coro_ce, SW_Z8_OBJ_P(zobject), ZEND_STRL("set_cookie_headers"));
  zend_update_property_string(swoole_http_client_coro_ce, SW_Z8_OBJ_P(zobject), ZEND_STRL("body"), "");
  }
  