Fix confirmation message for un-suspending mail domain

Author: Kristan Kenney

web/templates/admin/list_mail.html

@@ -80,7 +80,7 @@
             $status = 'suspended';
             $spnd_action = 'unsuspend';
             $spnd_icon = 'fa-play';
-            $spnd_confirmation = _('SUSPEND_DOMAIN_CONFIRMATION');
+            $spnd_confirmation = _('UNSUSPEND_DOMAIN_CONFIRMATION');
           } else {
             $status = 'active';
             $spnd_action = 'suspend';