[gtk+/refactor] demos/gtk-demo/colorsel.c: Use accessor functions to access GtkWidget

[Javier Jardón <jjardon src gnome org>]

commit 391362ae848193af00e71ecd1811f6b8bc59f801
Author: Javier Jardón <jjardon gnome org>
Date:   Mon Aug 16 00:37:58 2010 +0200

    demos/gtk-demo/colorsel.c: Use accessor functions to access GtkWidget

 demos/gtk-demo/colorsel.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/demos/gtk-demo/colorsel.c b/demos/gtk-demo/colorsel.c
index bb7c978..61bdbbf 100644
--- a/demos/gtk-demo/colorsel.c
+++ b/demos/gtk-demo/colorsel.c
@@ -19,14 +19,17 @@ expose_event_callback (GtkWidget      *widget,
                        GdkEventExpose *event, 
                        gpointer        data)
 {
-  if (widget->window)
+  GdkWindow *window;
+
+  window = gtk_widget_get_window (widget);
+  if (window)
     {
       GtkStyle *style;
       cairo_t *cr;
 
       style = gtk_widget_get_style (widget);
 
-      cr = gdk_cairo_create (widget->window);
+      cr = gdk_cairo_create (window);
 
       gdk_cairo_set_source_color (cr, &style->bg[GTK_STATE_NORMAL]);
       gdk_cairo_rectangle (cr, &event->area);