[libgd] stack-switcher: Disconnect the signals when the stack is destroyed

[Debarshi Ray <debarshir src gnome org>]

commit 152de3edb04b65166f81eaeaf1d48cd8e2238136
Author: Debarshi Ray <debarshir gnome org>
Date:   Mon Mar 25 15:12:06 2013 +0100

    stack-switcher: Disconnect the signals when the stack is destroyed
    
    https://bugzilla.gnome.org/show_bug.cgi?id=696559

 libgd/gd-stack-switcher.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/libgd/gd-stack-switcher.c b/libgd/gd-stack-switcher.c
index afc4373..9389ef5 100644
--- a/libgd/gd-stack-switcher.c
+++ b/libgd/gd-stack-switcher.c
@@ -216,6 +216,8 @@ disconnect_stack_signals (GdStackSwitcher *switcher)
   g_signal_handlers_disconnect_by_func (priv->stack, on_stack_child_removed, switcher);
 
   g_signal_handlers_disconnect_by_func (priv->stack, on_child_changed, switcher);
+
+  g_signal_handlers_disconnect_by_func (priv->stack, disconnect_stack_signals, switcher);
 }
 
 static void
@@ -229,6 +231,9 @@ connect_stack_signals (GdStackSwitcher *switcher)
                           G_CALLBACK (on_stack_child_removed), switcher);
   g_signal_connect (priv->stack, "notify::visible-child",
                     G_CALLBACK (on_child_changed), switcher);
+
+  g_signal_connect_swapped (priv->stack, "destroy",
+                            G_CALLBACK (disconnect_stack_signals), switcher);
 }
 
 /**