[gitg] Set titlebar style to headerbar

[Ignacio Casal Quinteiro <icq src gnome org>]

commit e29ad31475593f67cfd8705b78ba0ec67839f70b
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Wed Aug 21 15:06:57 2013 +0200

    Set titlebar style to headerbar

 gitg/resources/ui/gitg-window.ui |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gitg/resources/ui/gitg-window.ui b/gitg/resources/ui/gitg-window.ui
index ca9db2a..65b48a5 100644
--- a/gitg/resources/ui/gitg-window.ui
+++ b/gitg/resources/ui/gitg-window.ui
@@ -14,6 +14,9 @@
         <property name="can_focus">False</property>
         <property name="vexpand">False</property>
         <property name="show_close_button">True</property>
+        <style>
+          <class name="titlebar"/>
+        </style>
         <child>
           <object class="GtkButton" id="d_dash_button">
             <property name="visible">False</property>