replace more doctrine shortcuts by fqdn

src/Bundle/ChillReportBundle/migrations/Version20150622233319.php

@@ -72,7 +72,7 @@ class Version20150622233319 extends AbstractMigration implements ContainerAwareI
 
         //add a default scope
         $scopes = $this->container->get('doctrine.orm.default_entity_manager')
-              ->getRepository('ChillMainBundle:Scope')
+              ->getRepository(\Chill\MainBundle\Entity\Scope::class)
               ->findAll();
 
         if (count($scopes) > 0) {