[glade/stack] Support GtkSidebar as well

[Matthias Clasen <matthiasc src gnome org>]

commit 13a31201c3ec1fb8bce2c589f39521834ad3b8b4
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Oct 17 18:04:23 2014 -0400

    Support GtkSidebar as well

 plugins/gtk+/gtk+.xml.in |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/plugins/gtk+/gtk+.xml.in b/plugins/gtk+/gtk+.xml.in
index 67bead8..c0ec3f9 100644
--- a/plugins/gtk+/gtk+.xml.in
+++ b/plugins/gtk+/gtk+.xml.in
@@ -2395,6 +2395,8 @@
 
       </glade-widget-class>
 
+      <glade-widget-class name="GtkSidebar" generic-name="sidebar" _title="Sidebar" since="3.15"/>
+
       <glade-widget-class name="GtkRevealer" generic-name="revealer" _title="Revealer" since="3.10">
         <post-create-function>glade_gtk_revealer_post_create</post-create-function>
         <properties>
@@ -5234,6 +5236,7 @@
       
       <glade-widget-class-ref name="GtkInfoBar"/>
       <glade-widget-class-ref name="GtkStackSwitcher" />
+      <glade-widget-class-ref name="GtkSidebar" />
     </glade-widget-group>
     
     <glade-widget-group name="gtk-composite" _title="Composite Widgets">