Updating copyright date to 2012
diff --git a/system/helpers/security_helper.php b/system/helpers/security_helper.php
index ad4e29a..d64bd12 100644
--- a/system/helpers/security_helper.php
+++ b/system/helpers/security_helper.php
@@ -18,7 +18,7 @@
  *
  * @package		CodeIgniter
  * @author		EllisLab Dev Team
- * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/)
+ * @copyright	Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
  * @license		http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
  * @link		http://codeigniter.com
  * @since		Version 1.0