Merge branch 'patch-5' into 'stable-3.1'

Make sure admin check apply to all admins and not just user 1.

Make sure admin check apply to all admins and not just user 1.

See merge request !443

Author: Till Brehm

interface/lib/classes/system.inc.php

@@ -37,7 +37,7 @@ public function has_service($userid, $service) {
 
 		if(!preg_match('/^[a-z]+$/', $service)) $app->error('Invalid service '.$service);
 
-		if($userid == 1) return true; //* We do not check admin-users
+		if(isset($_SESSION['s']['user']) && $_SESSION['s']['user']['typ'] == 'admin') return true; //* We do not check admin-users
 
 		// simple query cache
 		if($this->client_service===null)