[gnome-session] Fix the GsmSystem type registration

[Matthias Clasen <matthiasc src gnome org>]

commit 14f124cb990c5a0612c94e105603fea8ec5338ff
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Feb 9 23:32:23 2012 -0500

    Fix the GsmSystem type registration
    
    The third argument to G_DEFINE_INTERFACE is a prerequisite,
    so passing G_TYPE_INTERFACE there is not right. Instead pass
    G_TYPE_OBJECT.

 gnome-session/gsm-system.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gnome-session/gsm-system.c b/gnome-session/gsm-system.c
index bc7d6a9..7059c25 100644
--- a/gnome-session/gsm-system.c
+++ b/gnome-session/gsm-system.c
@@ -34,7 +34,7 @@ enum {
 
 static guint signals[LAST_SIGNAL] = { 0 };
 
-G_DEFINE_INTERFACE (GsmSystem, gsm_system, G_TYPE_INTERFACE);
+G_DEFINE_INTERFACE (GsmSystem, gsm_system, G_TYPE_OBJECT)
 
 static void
 gsm_system_default_init (GsmSystemInterface *iface)
@@ -81,7 +81,7 @@ gsm_system_can_restart (GsmSystem *system)
         return GSM_SYSTEM_GET_IFACE (system)->can_restart (system);
 }
 
-void
+Jvoid
 gsm_system_attempt_stop (GsmSystem *system)
 {
         GSM_SYSTEM_GET_IFACE (system)->attempt_stop (system);