[gnome-settings-daemon] housekeeping: Simplify resetting ignore_paths

[Bastien Nocera <hadess src gnome org>]

commit c218b18348352708bc1f213b3d9d4ef9ff8750de
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Feb 21 00:02:57 2013 +0100

    housekeeping: Simplify resetting ignore_paths

 plugins/housekeeping/gsd-disk-space.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/plugins/housekeeping/gsd-disk-space.c b/plugins/housekeeping/gsd-disk-space.c
index 0dcfe7f..b2976ea 100644
--- a/plugins/housekeeping/gsd-disk-space.c
+++ b/plugins/housekeeping/gsd-disk-space.c
@@ -960,8 +960,7 @@ gsd_ldsm_get_config (void)
 
         if (ignore_paths != NULL) {
                 g_slist_foreach (ignore_paths, (GFunc) g_free, NULL);
-                g_slist_free (ignore_paths);
-                ignore_paths = NULL;
+                g_clear_pointer (&ignore_paths, g_slist_free);
         }
 
         settings_list = g_settings_get_strv (settings, SETTINGS_IGNORE_PATHS);