Fixes: #1447 some files miss a copyright header

include/variables.inc

 <?php
-  require_once('variables_common.inc');
+
+/*
+  This code is part of FusionDirectory (http://www.fusiondirectory.org/)
+  Copyright (C) 2003-2010  Cajus Pollmeier
+  Copyright (C) 2011  FusionDirectory
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+*/
 
   /*!
    * \file variables.inc
@@ -7,6 +26,8 @@
    * Generated by fusiondirectory-setup
    */
 
+  require_once('variables_common.inc');
+
   if(!defined("CONFIG_DIR")){
     define ("CONFIG_DIR", "/etc/fusiondirectory/"); /* FusionDirectory etc path */
   }