[rygel] core: Revert "core: Allow parentless Media item"

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 048e73ab762367f2ee041960b1c41d7524011940
Author: Jens Georg <mail jensge org>
Date:   Wed Jun 24 21:59:46 2009 +0200

    core: Revert "core: Allow parentless Media item"
    
    This reverts commit f7bf5909f5b1e1413ad0472a3a7f2fbf9e31edb3.

 src/rygel/rygel-media-item.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/rygel/rygel-media-item.vala b/src/rygel/rygel-media-item.vala
index ea57d22..666dc03 100644
--- a/src/rygel/rygel-media-item.vala
+++ b/src/rygel/rygel-media-item.vala
@@ -61,7 +61,7 @@ public class Rygel.MediaItem : MediaObject {
     public int color_depth = -1;
 
     public MediaItem (string         id,
-                      MediaContainer? parent,
+                      MediaContainer parent,
                       string         title,
                       string         upnp_class) {
         this.id = id;