Replacing RequestStack

Author: stankut

src/Controller/WebformController.php

@@ -4,7 +4,7 @@
 
 use Drupal\Core\Controller\ControllerBase;
 use Drupal\Core\Datetime\DrupalDateTime;
-use Drupal\Core\Http\RequestStack;
+use Symfony\Component\HttpFoundation\RequestStack;
 use Drupal\Core\Link;
 use Drupal\Core\Render\Markup;
 use Drupal\Core\Render\RendererInterface;