Update cron.php

modules/cron/cron.php

@@ -3,7 +3,7 @@
 /*
  *
  * OGP - Open Game Panel
- * Copyright (C) Copyright (C) 2008 - 2012 The OGP Development Team
+ * Copyright (C) 2008 - 2017 The OGP Development Team
  *
  * http://www.opengamepanel.org/
  *