~ trying to fix the EngineInterface error in travis-ci

Fatal error: Interface 'Symfony\Component\Templating\EngineInterface' not found in /home/travis/build/FriendsOfSymfony/FOSOAuthServerBundle/vendor/symfony/framework-bundle/Templating/EngineInterface.php on line 22

Author: dinamic

composer.json

@@ -27,6 +27,7 @@
         "symfony/yaml": "~2.8|~3.0|^4.0",
         "symfony/form": "~2.8|~3.0|^4.0",
         "symfony/console": "~2.8|~3.0|^4.0",
+        "symfony/templating": "~2.8|~3.0|^4.0",
         "willdurand/propel-typehintable-behavior": "^1.0.4",
         "propel/propel1": "^1.6.5",
         "phing/phing": "~2.4",