setup config options COS

zimbraSingle.inc

@@ -382,13 +382,12 @@ function zimbraSingleConfigOptions() {
     }
     $cosNames =  recursiveFindAll($response, 'NAME');
     $configOptions = array();
-    array_push($configOptions['cos'] , [
+    $configOptions['cos'] = [
         "FriendlyName" => "Class of Service",
         "Type" => "radio",
         "Options" => implode(',', $cosNames),
         "Description" => "Tick to use this COS",
-    ]);
-    }
+    ];
     logModuleCall(
         'zimbrasingle',
         __FUNCTION__,