[gnome-settings-daemon] power: Fix leak from GetActive() result

[Bastien Nocera <hadess src gnome org>]

commit 47534d70a96ca295837ea4fe1f7a47c2367df0af
Author: Bastien Nocera <hadess hadess net>
Date:   Mon Jan 21 11:32:35 2013 +0100

    power: Fix leak from GetActive() result

 plugins/power/gsd-power-manager.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/plugins/power/gsd-power-manager.c b/plugins/power/gsd-power-manager.c
index 2b63ed9..376a98e 100644
--- a/plugins/power/gsd-power-manager.c
+++ b/plugins/power/gsd-power-manager.c
@@ -2819,6 +2819,7 @@ get_active_cb (GDBusProxy *proxy,
                 g_variant_get (res, "(b)", &active);
 
         manager->priv->screensaver_active = active;
+        g_variant_unref (res);
 }
 
 static void