[FrameworkBundle] fix phpDoc of ControllerResolver::createController()

Author: vicb

src/Symfony/Bundle/FrameworkBundle/Controller/ControllerResolver.php

@@ -48,6 +48,9 @@ public function __construct(ContainerInterface $container, ControllerNameParser
  * @param string $controller A Controller string
  *
  * @return mixed A PHP callable
+ *
+ * @throws \LogicException When the name could not ne parsed
+ * @throws \InvalidArgumentExcetion When the controller class does not exist
  */
  protected function createController($controller)
  {