[rygel] core: Don't error out if file does not exist

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 2eaa36aed967c28fc575aa85fe2c2d50e46ecbf2
Author: Jens Georg <mail jensge org>
Date:   Wed Apr 13 17:50:39 2011 +0300

    core: Don't error out if file does not exist
    
    It might be that it hadn't been uploaded yet; so depending on the
    back-end there might be a stale object in the database

 src/rygel/rygel-item-destroyer.vala |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/src/rygel/rygel-item-destroyer.vala b/src/rygel/rygel-item-destroyer.vala
index 47686dd..8fcf911 100644
--- a/src/rygel/rygel-item-destroyer.vala
+++ b/src/rygel/rygel-item-destroyer.vala
@@ -85,7 +85,9 @@ internal class Rygel.ItemDestroyer: GLib.Object, Rygel.StateMachine {
             var writables = yield media_object.get_writables (this.cancellable);
 
             foreach (var file in writables) {
-                file.delete (this.cancellable);
+                if (file.query_exists (this.cancellable)) {
+                    file.delete (this.cancellable);
+                }
             }
         }
     }