[rygel] media-export: Don't do work twice

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 1a761c9adb54c513c28a6bc8dfc010cd1b35f73e
Author: Jens Georg <mail jensge org>
Date:   Thu Jul 29 18:57:43 2010 +0200

    media-export: Don't do work twice
    
    Container queue's head was fetched twice

 .../rygel-media-export-harvesting-task.vala        |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/plugins/media-export/rygel-media-export-harvesting-task.vala b/src/plugins/media-export/rygel-media-export-harvesting-task.vala
index 1b62d1b..ca36903 100644
--- a/src/plugins/media-export/rygel-media-export-harvesting-task.vala
+++ b/src/plugins/media-export/rygel-media-export-harvesting-task.vala
@@ -213,13 +213,13 @@ public class Rygel.MediaExport.HarvestingTask : Rygel.StateMachine, GLib.Object
             warning (_("failed to enumerate folder: %s"), err.message);
         }
 
-        cleanup_database (this.containers.peek_head () as DummyContainer);
+        cleanup_database ();
         this.do_update ();
     }
 
-    private void cleanup_database (DummyContainer container) {
+    private void cleanup_database () {
         // delete all children which are not in filesystem anymore
-        container = (DummyContainer) this.containers.peek_head ();
+        var container = this.containers.peek_head () as DummyContainer;
         try {
             foreach (var child in container.children) {
                 this.cache.remove_by_id (child);