diff -urN gnome-mag-0.15.9.x/magnifier//magnifier-private.h gnome-mag-0.15.9/magnifier//magnifier-private.h
--- gnome-mag-0.15.9.x/magnifier//magnifier-private.h	2009-08-10 21:48:13.000000000 +0000
+++ gnome-mag-0.15.9/magnifier//magnifier-private.h	2010-04-19 01:30:57.000000000 +0000
@@ -27,6 +27,9 @@
 
 #include <gtk/gtk.h>
 
+#define GTK_WIDGET_REALIZED(wid)      (gtk_widget_get_realized (wid))
+#define GTK_WIDGET_VISIBLE(wid)   (gtk_widget_get_visible (wid))
+
 struct _MagnifierPrivate {
 	GtkWidget *w;
 	GtkWidget *canvas;