Remove deprecated class

MasterB · MasterB · commit a088521b6ff2 · 2014-12-03T08:02:21.000+01:00
| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT
| Doc PR        | 

replace deprecated class with correct one
diff --git a/src/Symfony/Bundle/TwigBundle/Controller/PreviewErrorController.php b/src/Symfony/Bundle/TwigBundle/Controller/PreviewErrorController.php
@@ -11,7 +11,7 @@
 
 namespace Symfony\Bundle\TwigBundle\Controller;
 
-use Symfony\Component\HttpKernel\Exception\FlattenException;
+use Symfony\Component\Debug\Exception\FlattenException;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
 use Symfony\Component\HttpFoundation\Request;
 
