[libwnck] Revert part of last commit

[Andre Klapper <aklapper src gnome org>]

commit 126f1304e0f2996ddcd9bf60b991607bebe4f335
Author: Andre Klapper <a9016009 gmx de>
Date:   Fri Apr 16 14:10:46 2010 +0200

    Revert part of last commit

 libwnck/tasklist.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libwnck/tasklist.c b/libwnck/tasklist.c
index d35709d..9e1c6ad 100644
--- a/libwnck/tasklist.c
+++ b/libwnck/tasklist.c
@@ -3976,7 +3976,7 @@ fake_expose_widget (GtkWidget *widget,
   gtk_widget_set_window (widget, pixmap);
      but pixmap is not a GdkWindow...
    */
-  gtk_widget_set_window (widget, pixmap);
+  widget->window = pixmap;
   allocation.x += x;
   allocation.y += y;
   gtk_widget_set_allocation (widget, &allocation);