[gdm] daemon: make is-loaded handler one shot

[Ray Strode <halfline src gnome org>]

commit e9a2c35c133284529a1b0ac6a6391143f79e3f95
Author: Ray Strode <rstrode redhat com>
Date:   Wed Mar 9 15:44:43 2011 -0500

    daemon: make is-loaded handler one shot
    
    We don't want the is-loaded handler to run
    after we've got the initial is-loaded change.
    
    (Shouldn't matter in practice, but still a correct change)

 daemon/gdm-session-settings.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/daemon/gdm-session-settings.c b/daemon/gdm-session-settings.c
index 9473fa4..6c18333 100644
--- a/daemon/gdm-session-settings.c
+++ b/daemon/gdm-session-settings.c
@@ -285,6 +285,9 @@ on_user_is_loaded_changed (ActUser            *user,
 {
         if (act_user_is_loaded (settings->priv->user)) {
                 load_settings_from_user (settings);
+                g_signal_handlers_disconnect_by_func (G_OBJECT (settings->priv->user),
+                                                      G_CALLBACK (on_user_is_loaded_changed),
+                                                      settings);
         }
 }