[rygel] core: Make sure parent container is alive

[Jens Georg <jensgeorg src gnome org>]

commit 9fc42fd00a5aac3b223febf5375856f841d1ad88
Author: Jens Georg <mail jensge org>
Date:   Thu Aug 30 16:54:41 2012 +0200

    core: Make sure parent container is alive
    
    If the item does not carry a reference to its parent, we set it to make
    sure the container is still alive if we run in the auto-removal
    timeout.

 src/librygel-server/rygel-item-removal-queue.vala |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/librygel-server/rygel-item-removal-queue.vala b/src/librygel-server/rygel-item-removal-queue.vala
index 540fa00..282b1a1 100644
--- a/src/librygel-server/rygel-item-removal-queue.vala
+++ b/src/librygel-server/rygel-item-removal-queue.vala
@@ -41,6 +41,10 @@ internal class Rygel.ItemRemovalQueue: GLib.Object {
     }
 
     public void queue (MediaItem item, Cancellable? cancellable) {
+        if (item.parent_ref == null) {
+            item.parent_ref = item.parent;
+        }
+
         var timeout = Timeout.add_seconds (TIMEOUT, () => {
             debug ("Timeout on temporary item '%s'.", item.id);
             this.remove_now.begin (item, cancellable);