[libegg] Ifdef GTK_WIDGET_MAPPED for compiling with -DGSEAL_ENABLE. See bug 615348.

[Andre Klapper <aklapper src gnome org>]

commit c03a66f7e61cddda5a9b2be2e0e3bc33e5a2692e
Author: Andre Klapper <a9016009 gmx de>
Date:   Sat Apr 10 14:53:54 2010 +0200

    Ifdef GTK_WIDGET_MAPPED for compiling with -DGSEAL_ENABLE. See bug 615348.

 libegg/toolpalette/eggtoolitemgroup.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/libegg/toolpalette/eggtoolitemgroup.c b/libegg/toolpalette/eggtoolitemgroup.c
index 02024e1..bff0164 100644
--- a/libegg/toolpalette/eggtoolitemgroup.c
+++ b/libegg/toolpalette/eggtoolitemgroup.c
@@ -992,7 +992,11 @@ egg_tool_item_group_size_allocate (GtkWidget     *widget,
 {
   egg_tool_item_group_real_size_allocate (widget, allocation);
 
+#if GTK_CHECK_VERSION(2,20,0)
+  if (gtk_widget_get_mapped (widget))
+#else
   if (GTK_WIDGET_MAPPED (widget))
+#endif
     gdk_window_invalidate_rect (widget->window, NULL, FALSE);
 }