[gnome-music] Use headerbar

[Vadim Rutkovsky <vrutkovsky src gnome org>]

commit 794efafc5e09e73acda86052d9e0da87535d6893
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Thu May 30 18:44:23 2013 +0200

    Use headerbar
    
    https://bugzilla.gnome.org/show_bug.cgi?id=702822

 src/toolbar.js |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/toolbar.js b/src/toolbar.js
index e8c0f70..01bf21a 100644
--- a/src/toolbar.js
+++ b/src/toolbar.js
@@ -42,7 +42,7 @@ const ToolbarState = {
 
 const Toolbar = new Lang.Class({
     Name: 'MainToolbar',
-    Extends: Gd.HeaderBar,
+    Extends: Gtk.HeaderBar,
 
     _init: function() {
         this.parent();