[gitg] Added titlebar style class

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 9057cbceeefe635c6a7088dcccd79131a9d3b1a3
Author: Jesse van den Kieboom <jessevdk gnome org>
Date:   Sat Jul 12 11:28:51 2014 +0200

    Added titlebar style class

 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 b14c055..c9eabd9 100644
--- a/gitg/resources/ui/gitg-window.ui
+++ b/gitg/resources/ui/gitg-window.ui
@@ -15,6 +15,9 @@
         <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>