[gtkmm] Gtk:Expander: Inherit from Container

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 6998bfab53ee0fe887c77705f5aa48084727c0bf
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Fri Jul 21 17:04:16 2017 +0200

    Gtk:Expander: Inherit from Container
    
    GtkExpander now inherits from GtkContainer.

 gtk/src/expander.hg |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/gtk/src/expander.hg b/gtk/src/expander.hg
index aa8b4ac..545bf7f 100644
--- a/gtk/src/expander.hg
+++ b/gtk/src/expander.hg
@@ -16,9 +16,9 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
-#include <gtkmm/bin.h>
+#include <gtkmm/container.h>
 _DEFS(gtkmm,gtk)
-_PINCLUDE(gtkmm/private/bin_p.h)
+_PINCLUDE(gtkmm/private/container_p.h)
 
 
 namespace Gtk
@@ -50,9 +50,9 @@ namespace Gtk
  * @ingroup Widgets
  * @ingroup Containers
  */
-class Expander : public Bin
+class Expander : public Container
 {
-  _CLASS_GTKOBJECT(Expander, GtkExpander, GTK_EXPANDER, Gtk::Bin, GtkBin)
+  _CLASS_GTKOBJECT(Expander, GtkExpander, GTK_EXPANDER, Gtk::Container, GtkContainer)
 public:
 
   /** Creates a new Expander.