[gimp] app: minor cleanup in gimp_display_shell_expose_item()

[Michael Natterer <mitch src gnome org>]

commit ad331d562634450729d324951a5ffddfe247c3a8
Author: Michael Natterer <mitch gimp org>
Date:   Thu Sep 30 09:05:55 2010 +0200

    app: minor cleanup in gimp_display_shell_expose_item()

 app/display/gimpdisplayshell-expose.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/app/display/gimpdisplayshell-expose.c b/app/display/gimpdisplayshell-expose.c
index c29645e..b3e8abb 100644
--- a/app/display/gimpdisplayshell-expose.c
+++ b/app/display/gimpdisplayshell-expose.c
@@ -68,19 +68,17 @@ void
 gimp_display_shell_expose_item (GimpDisplayShell *shell,
                                 GimpCanvasItem   *item)
 {
-  GdkWindow *window;
   GdkRegion *region;
 
   g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
   g_return_if_fail (GIMP_IS_CANVAS_ITEM (item));
 
-  window = gtk_widget_get_window (shell->canvas);
-
   region = gimp_canvas_item_get_extents (item, shell);
 
   if (region)
     {
-      gdk_window_invalidate_region (window, region, TRUE);
+      gdk_window_invalidate_region (gtk_widget_get_window (shell->canvas),
+                                    region, TRUE);
       gdk_region_destroy (region);
     }
 }