[gtk+] gdkwindow: Move a variable closer to where it's used

[Jasper St. Pierre <jstpierre src gnome org>]

commit b59d2d1afac8b6a99eb63372d5a5de1acb25017c
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Sun Jun 22 09:21:35 2014 -0400

    gdkwindow: Move a variable closer to where it's used
    
    To make the code clearer.

 gdk/gdkwindow.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index c91fc3f..b8bc59b 100644
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -3370,12 +3370,12 @@ gdk_window_process_updates_internal (GdkWindow *window)
              g_usleep (70000);
            }
 
-         expose_region = cairo_region_copy (update_area);
          impl_class = GDK_WINDOW_IMPL_GET_CLASS (window->impl);
 
           if (impl_class->queue_antiexpose)
             impl_class->queue_antiexpose (window, update_area);
 
+         expose_region = cairo_region_copy (update_area);
           impl_class->process_updates_recurse (window, expose_region);
          cairo_region_destroy (expose_region);
        }