[rygel-gst-0-10-fullscreen-renderer] Fix a crash when getting an error message from GStreamer.

[Krzesimir Nowak <krnowak src gnome org>]

commit b7bb9c76f7541d6eb61ab727b6ab34f9e5bca0ba
Author: Krzesimir Nowak <qdlacz gmail com>
Date:   Mon Feb 18 10:54:11 2013 +0100

    Fix a crash when getting an error message from GStreamer.

 src/rygel-playbin-player.c |   14 +++++++++-----
 1 files changed, 9 insertions(+), 5 deletions(-)
---
diff --git a/src/rygel-playbin-player.c b/src/rygel-playbin-player.c
index 6fbea41..610dae7 100644
--- a/src/rygel-playbin-player.c
+++ b/src/rygel-playbin-player.c
@@ -356,17 +356,21 @@ rygel_playbin_player_bus_handler (GstBus *bus, GstMessage *message, gpointer use
     }
     case GST_MESSAGE_ERROR:
     {
+      GError *error = NULL;
       gchar *error_message = NULL;
-      gst_message_parse_error (message, NULL, &error_message);
-
       gchar *name = gst_object_get_name (GST_OBJECT (self->priv->_playbin));
 
-      g_warning ("rygel-playbin-player.c: Error from GStreamer element %s: %s", name, error_message);
-      g_warning ("rygel-playbin-player.c: Going to STOPPED state");
+      gst_message_parse_error (message, &error, &error_message);
+      g_warning ("Error from GStreamer element %s: %s (%s)",
+                 name,
+                 error->message,
+                 error_message);
       g_free (name);
+      g_error_free (error);
+      g_free (error_message);
+      g_warning ("Going to STOPPED state");
 
       rygel_media_player_set_playback_state (RYGEL_MEDIA_PLAYER (self), "STOPPED");
-      g_free (error_message);
 
       break;
     }