[empathy] empathy_theme_manager_dup_singleton: act as a proper dup singleton function

[Guillaume Desmottes <gdesmott src gnome org>]

commit df6a382a635251a6c86d81af128d4f1187491c5f
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Fri Feb 18 10:57:11 2011 +0100

    empathy_theme_manager_dup_singleton: act as a proper dup singleton function

 libempathy-gtk/empathy-theme-manager.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/libempathy-gtk/empathy-theme-manager.c b/libempathy-gtk/empathy-theme-manager.c
index a5438c6..1a4f5ae 100644
--- a/libempathy-gtk/empathy-theme-manager.c
+++ b/libempathy-gtk/empathy-theme-manager.c
@@ -527,11 +527,14 @@ empathy_theme_manager_dup_singleton (void)
 {
 	static EmpathyThemeManager *manager = NULL;
 
-	if (!manager) {
+	if (manager == NULL) {
 		manager = g_object_new (EMPATHY_TYPE_THEME_MANAGER, NULL);
+		g_object_add_weak_pointer (G_OBJECT (manager), (gpointer *) &manager);
+
+		return manager;
 	}
 
-	return manager;
+	return g_object_ref (manager);
 }
 
 const gchar **