[gnome-tweak-tool] Set GTK_STYLE_CLASS_PRIMARY_TOOLBAR on toolbar.

[John Stowers <jstowers src gnome org>]

commit ca60c6c3073dc87602f5d2e0d56e77faabc924db
Author: Christian Hergert <chris dronelabs com>
Date:   Tue Mar 29 15:29:40 2011 -0700

    Set GTK_STYLE_CLASS_PRIMARY_TOOLBAR on toolbar.

 data/shell.ui    |    2 +-
 gnome-tweak-tool |    3 +++
 2 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/data/shell.ui b/data/shell.ui
index 6a568e3..9babbcd 100644
--- a/data/shell.ui
+++ b/data/shell.ui
@@ -12,7 +12,7 @@
         <property name="visible">True</property>
         <property name="can_focus">False</property>
         <child>
-          <object class="GtkToolbar" id="toolbar1">
+          <object class="GtkToolbar" id="toolbar">
             <property name="visible">True</property>
             <property name="can_focus">False</property>
             <child>
diff --git a/gnome-tweak-tool b/gnome-tweak-tool
index 70eac1a..d89128c 100755
--- a/gnome-tweak-tool
+++ b/gnome-tweak-tool
@@ -36,6 +36,9 @@ class MainWindow:
         
         welcome = builder.get_object('welcome_image')
         welcome.set_from_file(os.path.join(gtweak.PKG_DATA_DIR, 'welcome.png'))
+
+        toolbar = builder.get_object('toolbar')
+        toolbar.get_style_context().add_class(Gtk.STYLE_CLASS_PRIMARY_TOOLBAR)
         
         model = TweakModel()
         view = TweakView(