do not copy .gitignore

lam/lib/upgrade.inc

@@ -4,7 +4,7 @@ $Id:
 
   This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
   Copyright (C) 2012  Christian Kropp
-                2012  Roland Gruber
+                2012 - 2016  Roland Gruber
 
   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
@@ -175,7 +175,7 @@ function recursiveCopy($src, $dst, $profiles, $fileFilter = null, $overwrite = t
 			}
 			elseif ((isset($fileFilter) && (strpos($file, $fileFilter) === 0 || $file == '.htaccess'))
 						|| (!isset($fileFilter))) {
-				if (!is_file($src . '/' . $file)) {
+				if (!is_file($src . '/' . $file) || ($file == '.gitignore')) {
 					continue;
 				}
 				if ($overwrite || !file_exists($dst . '/' . $file)) {