[gtk+] Fixed gtkiconview dispose cycle to not fire warnings.

[Tristan Van Berkom <tvb src gnome org>]

commit b7c25c41d6d0abd548bbcd61e1a5b4266235a7b8
Author: Tristan Van Berkom <tristan van berkom gmail com>
Date:   Tue Dec 21 21:28:46 2010 +0900

    Fixed gtkiconview dispose cycle to not fire warnings.

 gtk/gtkiconview.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkiconview.c b/gtk/gtkiconview.c
index 1cdeb2e..1d03c03 100644
--- a/gtk/gtkiconview.c
+++ b/gtk/gtkiconview.c
@@ -4732,7 +4732,9 @@ gtk_icon_view_set_model (GtkIconView *icon_view,
       icon_view->priv->scroll_to_path = NULL;
     }
 
-  gtk_cell_area_stop_editing (icon_view->priv->cell_area, TRUE);
+  /* The area can be NULL while disposing */
+  if (icon_view->priv->cell_area)
+    gtk_cell_area_stop_editing (icon_view->priv->cell_area, TRUE);
 
   if (model)
     {