[gdm/wip/multi-seat-2-30] Fix bug already upstream, but fixed later than GNOME 2.30. This just ensures that the D-Bus connect

[Brian Cameron <bcameron src gnome org>]

commit c3a0767cadc442c04cc253760ee304b681a4b1de
Author: Brian Cameron <brian cameron oracle com>
Date:   Thu Dec 15 18:38:08 2011 -0600

    Fix bug already upstream, but fixed later than GNOME 2.30.  This just
    ensures that the D-Bus connection is closed when done.

 daemon/gdm-greeter-server.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/daemon/gdm-greeter-server.c b/daemon/gdm-greeter-server.c
index 0c67f1e..92a1a4b 100644
--- a/daemon/gdm-greeter-server.c
+++ b/daemon/gdm-greeter-server.c
@@ -990,6 +990,13 @@ gdm_greeter_server_stop (GdmGreeterServer *greeter_server)
 
         g_debug ("GreeterServer: Stopping greeter server...");
 
+        dbus_server_disconnect (greeter_server->priv->server);
+        dbus_server_unref (greeter_server->priv->server);
+        greeter_server->priv->server = NULL;
+
+        g_free (greeter_server->priv->server_address);
+        greeter_server->priv->server_address = NULL;
+
         return ret;
 }