[HttpKernel] Added a missing use statement.

jakzal · jakzal · commit ccb497a5537a · 2013-08-03T00:18:34.000+01:00
Broken by symfony#8572.
diff --git a/src/Symfony/Component/HttpKernel/Fragment/FragmentHandler.php b/src/Symfony/Component/HttpKernel/Fragment/FragmentHandler.php
@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\HttpKernel\Fragment;
 
+use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpFoundation\StreamedResponse;
 use Symfony\Component\HttpKernel\Controller\ControllerReference;
