[gdm/wip/two: 8/8] display: Clean up old signal handlers

[Jasper St. Pierre <jstpierre src gnome org>]

commit 850faf02c0100fe888320664065ddf96fb5b0b50
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Tue Feb 25 12:23:57 2014 -0500

    display: Clean up old signal handlers

 daemon/gdm-display.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/daemon/gdm-display.c b/daemon/gdm-display.c
index 5b2eaed..258e3c6 100644
--- a/daemon/gdm-display.c
+++ b/daemon/gdm-display.c
@@ -683,6 +683,10 @@ gdm_display_real_unmanage (GdmDisplay *display)
         g_timer_stop (display->priv->slave_timer);
 
         if (display->priv->slave != NULL) {
+                g_signal_handlers_disconnect_by_func (display->priv->slave,
+                                                      G_CALLBACK (on_slave_started), display);
+                g_signal_handlers_disconnect_by_func (display->priv->slave,
+                                                      G_CALLBACK (on_slave_stopped), display);
                 gdm_slave_stop (display->priv->slave);
                 g_object_unref (display->priv->slave);
                 display->priv->slave = NULL;