[gtk+] expander: Draw focus again

[Matthias Clasen <matthiasc src gnome org>]

commit d2454000f66056f2b83c68a3413d10c607893257
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Feb 20 11:17:12 2016 -0500

    expander: Draw focus again
    
    This was lost when GtkExpander was ported to use box gadgets.

 gtk/gtkexpander.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkexpander.c b/gtk/gtkexpander.c
index cb8ea62..f6cea5c 100644
--- a/gtk/gtkexpander.c
+++ b/gtk/gtkexpander.c
@@ -450,6 +450,7 @@ gtk_expander_init (GtkExpander *expander)
                                            priv->gadget,
                                            NULL);
   gtk_box_gadget_set_orientation (GTK_BOX_GADGET (priv->title_gadget), GTK_ORIENTATION_HORIZONTAL);
+  gtk_box_gadget_set_draw_focus (GTK_BOX_GADGET (priv->title_gadget), TRUE);
   gtk_box_gadget_insert_gadget (GTK_BOX_GADGET (priv->gadget), -1, priv->title_gadget, FALSE, FALSE, 
GTK_ALIGN_START);
 
   priv->arrow_gadget = gtk_builtin_icon_new ("arrow",