bugfix mailinglists

app/UI/Client/DistributionList/Pages/Lists.php

@@ -121,6 +121,7 @@ class Lists extends DataTable implements ClientArea
                 );
             };
             $memberCount = 0;
+            unset($moderator);
             foreach($members as $member) {
                 if($member['kind'] === 'Member') {
                     $memberCount++;