[gtk+] Add separator

[Matthias Clasen <matthiasc src gnome org>]

commit 7717b0d556e623256cabfa0e83b41511bb21cb3b
Author: Trinh Anh Ngoc <atw1990 gmail com>
Date:   Tue Dec 2 22:09:21 2014 +0700

    Add separator
    
    https://bugzilla.gnome.org/show_bug.cgi?id=741027

 demos/icon-browser/window.ui |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/demos/icon-browser/window.ui b/demos/icon-browser/window.ui
index 334cb81..1318b9a 100644
--- a/demos/icon-browser/window.ui
+++ b/demos/icon-browser/window.ui
@@ -78,6 +78,11 @@
           </object>
         </child>
         <child>
+          <object class="GtkVSeparator">
+            <property name="visible">True</property>
+          </object>
+        </child>
+        <child>
           <object class="GtkBox" id="content_box">
             <property name="visible">True</property>
             <property name="orientation">vertical</property>