Added docblock to workaround php 5.3.6 bug, when classes without docblock sometimes return dockblock form other classes

lib/Gedmo/Sortable/Entity/Repository/SortableRepository.php

@@ -5,7 +5,15 @@ namespace Gedmo\Sortable\Entity\Repository;
 use Doctrine\ORM\EntityRepository,
     Doctrine\ORM\EntityManager,
     Doctrine\ORM\Mapping\ClassMetadata;
-
+/**
+ * Sortable Repository
+ *
+ * @author Lukas Botsch <lukas.botsch@gmail.com>
+ * @subpackage SortableRepository
+ * @package Gedmo.Sortable
+ * @link http://www.gediminasm.org
+ * @license MIT License (http://www.opensource.org/licenses/mit-license.php)
+ */
 class SortableRepository extends EntityRepository
 {
     /**