Fixed xfer regex error message in dns soa form.

tbrehm

2013-03-07 df165b0536443ca05f11a9e5a6f0c00cda31da78

 server/plugins-available/squid_plugin.inc.php

@@ -41,7 +41,7 @@
   function onInstall() {
      global $conf;
      
      if($conf['services']['proxy'] == true && $conf['squid']['installed'] == true) {
      if(isset($conf['services']['proxy']) &&$conf['services']['proxy'] == true && isset($conf['squid']['installed']) && $conf['squid']['installed'] == true) {
         return true;
      } else {
         return false;