[gnome-settings-daemon] cursor: Avoid warnings when D-Bus isn't ready

[Bastien Nocera <hadess src gnome org>]

commit cca624755d90ea294c0f9753b2e1a6de75f85eeb
Author: Bastien Nocera <hadess hadess net>
Date:   Sat Oct 5 17:35:48 2013 +0200

    cursor: Avoid warnings when D-Bus isn't ready
    
    Don't send out signals if we didn't manage to own the name
    (running as a stand-alone program for example).

 plugins/cursor/gsd-cursor-manager.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/plugins/cursor/gsd-cursor-manager.c b/plugins/cursor/gsd-cursor-manager.c
index 99d1719..202ce6c 100644
--- a/plugins/cursor/gsd-cursor-manager.c
+++ b/plugins/cursor/gsd-cursor-manager.c
@@ -155,6 +155,9 @@ set_osk_enabled (GsdCursorManager *manager,
         g_debug ("Switching the OSK to %s", enabled ? "enabled" : "disabled");
         manager->priv->show_osk = enabled;
 
+        if (manager->priv->dbus_connection == NULL)
+                return;
+
         builder = g_variant_builder_new (G_VARIANT_TYPE_ARRAY);
         g_variant_builder_add (builder,
                                "{sv}",