[rygel] renderer-gst: Make variable unowned

[Jens Georg <jensgeorg src gnome org>]

commit beb64f42dd7bce4474da2d2723e17a5b77bc0fa0
Author: Maciej Piechotka <uzytkownik2 gmail com>
Date:   Wed Aug 21 20:34:24 2013 +0200

    renderer-gst: Make variable unowned
    
    https://bugzilla.gnome.org/show_bug.cgi?id=706525

 .../rygel-playbin-player.vala                      |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/librygel-renderer-gst/rygel-playbin-player.vala 
b/src/librygel-renderer-gst/rygel-playbin-player.vala
index 22034a6..bb59613 100644
--- a/src/librygel-renderer-gst/rygel-playbin-player.vala
+++ b/src/librygel-renderer-gst/rygel-playbin-player.vala
@@ -408,7 +408,7 @@ public class Rygel.Playbin.Player : GLib.Object, Rygel.MediaPlayer {
 
         typefind = (this.playbin as Gst.Bin).get_by_name ("typefind");
         Caps caps = typefind.caps;
-        var structure = caps.get_structure (0);
+        unowned Structure structure = caps.get_structure (0);
 
         return structure.get_name () == "image/jpeg" ||
                structure.get_name () == "image/png";