Fixed default list setting of sites module.

Till Brehm

2014-04-05 add2800ad0b1c0b180bf4b41cf34165fd3c80b7b

 interface/lib/classes/custom_datasource.inc.php

@@ -139,6 +139,18 @@
      case 'default_vserverserver':
         $field = 'vserver_server';
         break;
      case 'mail_servers':
         $field = 'mail_server';
         break;
      case 'web_servers':
         $field = 'web_server';
         break;
      case 'dns_servers':
         $field = 'dns_server';
         break;
      case 'db_servers':
         $field = 'db_server';
         break;
      default:
         $field = 'web_server';
         break;