[rygel-gst-0-10-media-engine] Fix reference counting of sink

[Jens Georg <jensgeorg src gnome org>]

commit 24d7c345ffff0ae11332c62ca4358fdb961ef6b8
Author: Jens Georg <jensg openismus com>
Date:   Wed Feb 13 15:27:51 2013 +0100

    Fix reference counting of sink
    
    Prevent critical on end-of-streaming and deadlock on error.

 src/rygel-gst-data-source.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/rygel-gst-data-source.c b/src/rygel-gst-data-source.c
index 06d36f6..0bf400d 100644
--- a/src/rygel-gst-data-source.c
+++ b/src/rygel-gst-data-source.c
@@ -308,6 +308,7 @@ rygel_gst_data_source_prepare_pipeline (RygelGstDataSource  *self,
   GstBus *bus;
 
   self->priv->sink = rygel_gst_sink_new (RYGEL_DATA_SOURCE (self), self->priv->seek);
+  gst_object_ref_sink (self->priv->sink);
 
   self->priv->pipeline = GST_PIPELINE (gst_pipeline_new (name));
   if (self->priv->pipeline == NULL) {