correction because of php 5.3

Dominik

2015-01-14 f42d9169cd94b234c13403b3bc635fffe04fb252

 server/lib/classes/monitor_tools.inc.php

@@ -62,6 +62,9 @@
            $mainver = array_filter($mainver);
            $mainver = current($mainver).'.'.next($mainver);
            switch ($mainver){
            case "14.10":
               $relname = "(Utopic Unicorn)";
               break;
            case "14.04":
               $relname = "(Trusty Tahr)";
               break;