demos: Update testpixbuf-scale demo for adjustment sealing

diff --git a/demos/testpixbuf-scale.c b/demos/testpixbuf-scale.c
index ee57763c84936bfb4e2f73120188eb6d50038b1e..bfff451d9ae3876d2de935f029f0c79b5c2ba620 100644 (file)
--- a/demos/testpixbuf-scale.c
+++ b/demos/testpixbuf-scale.c
@@ -24,9 +24,9 @@ set_interp_type (GtkWidget *widget, gpointer data)
 void
 overall_changed_cb (GtkAdjustment *adjustment, gpointer data)
 {
-  if (adjustment->value != overall_alpha)
+  if (gtk_adjustment_get_value (adjustment) != overall_alpha)
     {
-      overall_alpha = adjustment->value;
+      overall_alpha = gtk_adjustment_get_value (adjustment);
       gtk_widget_queue_draw (darea);
     }
 }