[gnome-session] client: track client disconnection for dbus clients

[Ray Strode <halfline src gnome org>]

commit d0b97beb26ea923143e2253ace0f4afc87b17308
Author: Ray Strode <rstrode redhat com>
Date:   Mon Mar 14 15:42:45 2016 -0400

    client: track client disconnection for dbus clients
    
    We currently don't notice when dbus clients go away
    (well we notice, but ignore it).
    
    This commit fixes that.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=763169

 gnome-session/gsm-manager.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/gnome-session/gsm-manager.c b/gnome-session/gsm-manager.c
index f71d277..a378cd9 100644
--- a/gnome-session/gsm-manager.c
+++ b/gnome-session/gsm-manager.c
@@ -2742,6 +2742,11 @@ gsm_manager_register_client (GsmExportedManager    *skeleton,
         /* the store will own the ref */
         g_object_unref (client);
 
+        g_signal_connect (client,
+                          "disconnected",
+                          G_CALLBACK (on_client_disconnected),
+                          manager);
+
         if (app != NULL) {
                 gsm_client_set_app_id (client, gsm_app_peek_app_id (app));
                 gsm_app_set_registered (app, TRUE);