[gtk+] gtk-demo: fix the colorsel example

[Matthias Clasen <matthiasc src gnome org>]

commit b1c28151f6d44720c1975427f1ec9d030ebdff22
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Mar 2 09:37:10 2012 -0500

    gtk-demo: fix the colorsel example
    
    It is necessary to hide the dialog on "response", else it won't
    go away.

 demos/gtk-demo/colorsel.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/demos/gtk-demo/colorsel.c b/demos/gtk-demo/colorsel.c
index 4cdfeee..6c46607 100644
--- a/demos/gtk-demo/colorsel.c
+++ b/demos/gtk-demo/colorsel.c
@@ -40,6 +40,8 @@ response_cb (GtkDialog *dialog,
       gtk_color_chooser_get_rgba (GTK_COLOR_CHOOSER (dialog), &color);
       gtk_widget_override_background_color (da, 0, &color);
     }
+
+  gtk_widget_hide (GTK_WIDGET (dialog));
 }
 
 static void