[nautilus] places-sidebar: disconnect the gsettings handler callback in _dispose()

[Cosimo Cecchi <cosimoc src gnome org>]

commit 68b57af6e476253b36d8652a681bade6facbd259
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Sun Apr 3 19:57:37 2011 -0400

    places-sidebar: disconnect the gsettings handler callback in _dispose()
    
    The GSettings object is a global singleton, so it will always survive the
    sidebar; we should make sure to disconnect all the settings signal when
    destroying the sidebar.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=646664

 src/nautilus-places-sidebar.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/nautilus-places-sidebar.c b/src/nautilus-places-sidebar.c
index 91c20c5..1a789ac 100644
--- a/src/nautilus-places-sidebar.c
+++ b/src/nautilus-places-sidebar.c
@@ -3253,6 +3253,10 @@ nautilus_places_sidebar_dispose (GObject *object)
 					      desktop_setting_changed_callback,
 					      sidebar);
 
+	g_signal_handlers_disconnect_by_func (nautilus_preferences,
+					      bookmarks_popup_menu_detach_cb,
+					      sidebar);
+
 	g_signal_handlers_disconnect_by_func (gnome_background_preferences,
 					      desktop_setting_changed_callback,
 					      sidebar);