[gvfs] gdu volume monitor: Don't unref possibly NULL object

[Tomas Bzatek <tbzatek src gnome org>]

commit 60f0ed90b3fa4d70f7896096dd837dd2277a89ac
Author: Tomas Bzatek <tbzatek redhat com>
Date:   Fri Sep 14 16:16:37 2012 +0200

    gdu volume monitor: Don't unref possibly NULL object

 monitor/gdu/ggduvolumemonitor.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/monitor/gdu/ggduvolumemonitor.c b/monitor/gdu/ggduvolumemonitor.c
index 707faea..4021eab 100644
--- a/monitor/gdu/ggduvolumemonitor.c
+++ b/monitor/gdu/ggduvolumemonitor.c
@@ -126,7 +126,7 @@ g_gdu_volume_monitor_finalize (GObject *object)
 
   g_object_unref (monitor->mount_monitor);
 
-  g_object_unref (monitor->pool);
+  g_clear_object (&monitor->pool);
 
   list_free (monitor->last_optical_disc_devices);
   list_free (monitor->last_mountpoints);