[gtk+] gtk-demo: Fix expand button box demo

[Matthias Clasen <matthiasc src gnome org>]

commit 2f12fd559952c2f3c7d89417d28baa29082a5037
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Jul 9 13:18:41 2014 -0400

    gtk-demo: Fix expand button box demo
    
    Set the spacing to 0, so the buttons are actually linked.

 demos/gtk-demo/button_box.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/demos/gtk-demo/button_box.c b/demos/gtk-demo/button_box.c
index f542136..18e7970 100644
--- a/demos/gtk-demo/button_box.c
+++ b/demos/gtk-demo/button_box.c
@@ -95,7 +95,7 @@ do_button_box (GtkWidget *do_widget)
                         TRUE, TRUE, 5);
 
     gtk_box_pack_start (GTK_BOX (vbox),
-                        create_bbox (TRUE, "Expand", 40, GTK_BUTTONBOX_EXPAND),
+                        create_bbox (TRUE, "Expand", 0, GTK_BUTTONBOX_EXPAND),
                         TRUE, TRUE, 5);
 
     frame_vert = gtk_frame_new ("Vertical Button Boxes");
@@ -124,7 +124,7 @@ do_button_box (GtkWidget *do_widget)
                         create_bbox (FALSE, "Center", 10, GTK_BUTTONBOX_CENTER),
                         TRUE, TRUE, 5);
     gtk_box_pack_start (GTK_BOX (hbox),
-                        create_bbox (FALSE, "Expand", 10, GTK_BUTTONBOX_EXPAND),
+                        create_bbox (FALSE, "Expand", 0, GTK_BUTTONBOX_EXPAND),
                         TRUE, TRUE, 5);
   }