[gedit] menu-stack-swtcher: disconnect signals when removing child

[Paolo Borelli <pborelli src gnome org>]

commit 2c5fc464634b76da1a64f0bbb23aa17bf93d3f51
Author: Paolo Borelli <pborelli gnome org>
Date:   Wed Sep 10 14:23:03 2014 +0200

    menu-stack-swtcher: disconnect signals when removing child

 gedit/gedit-menu-stack-switcher.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/gedit/gedit-menu-stack-switcher.c b/gedit/gedit-menu-stack-switcher.c
index 29d0bbc..2b856aa 100644
--- a/gedit/gedit-menu-stack-switcher.c
+++ b/gedit/gedit-menu-stack-switcher.c
@@ -273,6 +273,11 @@ on_stack_child_removed (GtkStack               *stack,
   GeditMenuStackSwitcherPrivate *priv = switcher->priv;
   GtkWidget *button;
 
+  g_signal_handlers_disconnect_by_func (widget, on_title_icon_visible_updated, switcher);
+  g_signal_handlers_disconnect_by_func (widget, on_title_icon_visible_updated, switcher);
+  g_signal_handlers_disconnect_by_func (widget, on_title_icon_visible_updated, switcher);
+  g_signal_handlers_disconnect_by_func (widget, on_position_updated, switcher);
+
   button = g_hash_table_lookup (priv->buttons, widget);
   gtk_container_remove (GTK_CONTAINER (priv->button_box), button);
   g_hash_table_remove (priv->buttons, widget);