[Lock] Added license header for LockableInterface

Jelle van Oosterbosch · Jelle van Oosterbosch · commit e4d791f7770e · 2019-06-21T10:47:51.000+02:00
diff --git a/src/Symfony/Component/Lock/LockableInterface.php b/src/Symfony/Component/Lock/LockableInterface.php
@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace Symfony\Component\Lock;
 
 interface LockableInterface
