[rhythmbox] metadata: add missing unrefs

[Jonathan Matthew <jmatthew src gnome org>]

commit 48f22e7f46719bc837f9f11de5483dd1d93c860a
Author: Jonathan Matthew <jonathan d14n org>
Date:   Wed Mar 20 08:27:36 2013 +1000

    metadata: add missing unrefs
    
    Fixes fd leaks when typefinding files that the discoverer didn't
    identify.

 metadata/rb-metadata-gst.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/metadata/rb-metadata-gst.c b/metadata/rb-metadata-gst.c
index 19ab56c..288a6d8 100644
--- a/metadata/rb-metadata-gst.c
+++ b/metadata/rb-metadata-gst.c
@@ -149,8 +149,11 @@ run_typefind (RBMetaData *md, const char *uri)
                                default:
                                        break;
                                }
+
+                               gst_message_unref (message);
                        }
 
+                       g_object_unref (bus);
                        gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
                }