Fixed IPV6 regex https://git.ispconfig.org/ispconfig/ispconfig3/issues/4002

Pascal Dreissen

2016-07-05 fbfdc438eaf2a70d5fefda74c919edc76e82d0fd

 interface/web/tools/interface_settings.php

@@ -126,7 +126,7 @@
         print '<script type="text/javascript">document.location.reload();</script>';
         exit;
      }
      else parent::onShow();
      //else parent::onShow();
   }