Change file mode of backups that are made available for download to 0600.

Till Brehm

2016-06-27 65ee3af0845f20cd3ae4a3d0c2ee3ce865f7fc7c

 interface/lib/classes/listform.inc.php

@@ -563,7 +563,7 @@
               break;

            case 'DATE':
               if($record[$key] != '' && $record[$key] != '0000-00-00') {
               if($record[$key] != '' && !is_null($record[$key]) && $record[$key] != '0000-00-00') {
                  $record[$key] = $record[$key];
               }
               break;