[gtk+] notebook: Destroy gadgets after chaining up

[Benjamin Otte <otte src gnome org>]

commit 6e4d65d227fa31c44e90597e97184dcfdf9f9f26
Author: Benjamin Otte <otte redhat com>
Date:   Fri Jan 15 12:58:14 2016 +0100

    notebook: Destroy gadgets after chaining up
    
    While chaining up, we might still call into the notebook code. And that
    code expects the gadgets to be there.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=760640

 gtk/gtknotebook.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/gtk/gtknotebook.c b/gtk/gtknotebook.c
index 203e2a8..3b9f7d4 100644
--- a/gtk/gtknotebook.c
+++ b/gtk/gtknotebook.c
@@ -1811,14 +1811,14 @@ gtk_notebook_destroy (GtkWidget *widget)
       priv->source_targets = NULL;
     }
 
+  remove_switch_tab_timer (notebook);
+
+  GTK_WIDGET_CLASS (gtk_notebook_parent_class)->destroy (widget);
+
   g_clear_object (&priv->gadget);
   g_clear_object (&priv->header_gadget);
   g_clear_object (&priv->tabs_gadget);
   g_clear_object (&priv->stack_gadget);
-
-  remove_switch_tab_timer (notebook);
-
-  GTK_WIDGET_CLASS (gtk_notebook_parent_class)->destroy (widget);
 }
 
 static void