[tracker] libtracker-miner: clear thumbnailer internal objects on init() failure

[Carlos Garnacho <carlosg src gnome org>]

commit d67ace9655f87fc659c4f7a0d5eca3f3567dd3eb
Author: Carlos Garnacho <carlosg gnome org>
Date:   Mon Feb 24 11:06:19 2014 +0100

    libtracker-miner: clear thumbnailer internal objects on init() failure
    
    So we don't try to free invalid pointers again on finalize()
    
    https://bugzilla.gnome.org/show_bug.cgi?id=724984

 src/libtracker-miner/tracker-thumbnailer.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/src/libtracker-miner/tracker-thumbnailer.c b/src/libtracker-miner/tracker-thumbnailer.c
index 51a07db..58fc76a 100644
--- a/src/libtracker-miner/tracker-thumbnailer.c
+++ b/src/libtracker-miner/tracker-thumbnailer.c
@@ -158,7 +158,7 @@ tracker_thumbnailer_initable_init (GInitable     *initable,
                                                      NULL,
                                                      error);
        if (!private->cache_proxy) {
-               g_object_unref (private->connection);
+               g_clear_object (&private->connection);
                return FALSE;
        }
 
@@ -172,8 +172,8 @@ tracker_thumbnailer_initable_init (GInitable     *initable,
                                                        error);
 
        if (!private->manager_proxy) {
-               g_object_unref (private->connection);
-               g_object_unref (private->cache_proxy);
+               g_clear_object (&private->connection);
+               g_clear_object (&private->cache_proxy);
                return FALSE;
        }
 
@@ -186,9 +186,9 @@ tracker_thumbnailer_initable_init (GInitable     *initable,
                                    error);
 
        if (!v) {
-               g_object_unref (private->connection);
-               g_object_unref (private->cache_proxy);
-               g_object_unref (private->manager_proxy);
+               g_clear_object (&private->connection);
+               g_clear_object (&private->cache_proxy);
+               g_clear_object (&private->manager_proxy);
                return FALSE;
        } else {
                GStrv mime_types = NULL;