Fixed problems that prevented ISPConfig to run on PHP 7, Issue #3716

Till Brehm

2016-02-09 f1926a01df8871cdacb29c97ffbfd7ff18d1610a

 interface/lib/classes/listform_actions.inc.php

@@ -190,6 +190,7 @@
      return $rec;
   }

   /* TODO: maybe rewrite SQL */
   public function getQueryString($no_limit = false) {
      global $app;
      $sql_where = '';