[gnome-session] presence: Simplify finalize function

[Bastien Nocera <hadess src gnome org>]

commit 784163cec6883107d07c3e51ac57140b18f17d10
Author: Bastien Nocera <hadess hadess net>
Date:   Wed Jan 23 15:20:12 2013 +0100

    presence: Simplify finalize function
    
    https://bugzilla.gnome.org/show_bug.cgi?id=692393

 gnome-session/gsm-presence.c |   11 ++---------
 1 files changed, 2 insertions(+), 9 deletions(-)
---
diff --git a/gnome-session/gsm-presence.c b/gnome-session/gsm-presence.c
index 13d70ba..5aa6621 100644
--- a/gnome-session/gsm-presence.c
+++ b/gnome-session/gsm-presence.c
@@ -457,15 +457,8 @@ gsm_presence_finalize (GObject *object)
                 presence->priv->idle_watch_id = 0;
         }
 
-        if (presence->priv->status_text != NULL) {
-                g_free (presence->priv->status_text);
-                presence->priv->status_text = NULL;
-        }
-
-        if (presence->priv->idle_monitor != NULL) {
-                g_object_unref (presence->priv->idle_monitor);
-                presence->priv->idle_monitor = NULL;
-        }
+        g_clear_pointer (&presence->priv->status_text, g_free);
+        g_clear_object (&presence->priv->idle_monitor);
 
         G_OBJECT_CLASS (gsm_presence_parent_class)->finalize (object);
 }