popupMenu: Use a StWidget instead of a Separator

We don't use the gradient part of a Separator, so we can
just use a StWidget instead and shut up some warnings

diff --git a/js/ui/popupMenu.js b/js/ui/popupMenu.js
index 3baf71fc5703045d33f00da3c0c7bb309df590ce..ffa78e5ce46881950e2cdd7fda1763b95cf97ade 100644 (file)
--- a/js/ui/popupMenu.js
+++ b/js/ui/popupMenu.js
@@ -264,8 +264,8 @@ const PopupSeparatorMenuItem = new Lang.Class({
                            Lang.bind(this, this._syncVisibility));
         this._syncVisibility();
 
-        this._separator = new Separator.HorizontalSeparator({ style_class: 'popup-separator-menu-item' });
-        this.actor.add(this._separator.actor, { expand: true });
+        this._separator = new St.Widget({ style_class: 'popup-separator-menu-item' });
+        this.actor.add(this._separator, { expand: true });
     },
 
     _syncVisibility: function() {