[gtk+] tree view: Avoid a crash with rubberbanding

[Matthias Clasen <matthiasc src gnome org>]

commit a89e99b0be15a1bfb401810a74d508b008459332
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Apr 8 18:54:45 2015 -0400

    tree view: Avoid a crash with rubberbanding
    
    When a treeview is destroyed while rubberbanding is going
    on, we crash because the rb tree is nuked before we want
    to access it to stop the rubberbanding. To avoid this crash
    end the rubberbanding early in destroy().
    
    See
    https://bugzilla.redhat.com/show_bug.cgi?id=1173904

 gtk/gtktreeview.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtktreeview.c b/gtk/gtktreeview.c
index 03d2231..5e1f476 100644
--- a/gtk/gtktreeview.c
+++ b/gtk/gtktreeview.c
@@ -2124,6 +2124,7 @@ gtk_tree_view_destroy (GtkWidget *widget)
   GList *list;
 
   gtk_tree_view_stop_editing (tree_view, TRUE);
+  gtk_tree_view_stop_rubber_band (tree_view);
 
   if (tree_view->priv->columns != NULL)
     {