[gtk+/native-layout] Fix call to update_prelight()

[Tristan Van Berkom <tvb src gnome org>]

commit 3e9dabbdb819688f30fd48b025ecc98b92a67c19
Author: Kristian Rietveld <kris gtk org>
Date:   Wed Dec 23 08:31:21 2009 +0100

    Fix call to update_prelight()
    
    Seems like some minus signs sneaked in while diffing and reapplying...
    Fixes regression noted in 480065.

 gtk/gtktreeview.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtktreeview.c b/gtk/gtktreeview.c
index 4be8f9e..763db1e 100644
--- a/gtk/gtktreeview.c
+++ b/gtk/gtktreeview.c
@@ -2510,8 +2510,8 @@ gtk_tree_view_size_allocate (GtkWidget     *widget,
           if (tree_view->priv->prev_width_before_expander
               != width_before_expander)
               update_prelight (tree_view,
-                               -tree_view->priv->event_last_x,
-                               -tree_view->priv->event_last_y);
+                               tree_view->priv->event_last_x,
+                               tree_view->priv->event_last_y);
 
           tree_view->priv->prev_width_before_expander = width_before_expander;
         }