[rygel] media-export: Prevent critical on file harvesting

[Jens Georg <jensgeorg src gnome org>]

commit b2249ca353885ddeb164ee8e261d6a14ba41df2d
Author: Jens Georg <jensg openismus com>
Date:   Thu Nov 22 22:07:18 2012 +0100

    media-export: Prevent critical on file harvesting

 .../rygel-media-export-metadata-extractor.vala     |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/src/plugins/media-export/rygel-media-export-metadata-extractor.vala b/src/plugins/media-export/rygel-media-export-metadata-extractor.vala
index 7185ac7..1c61997 100644
--- a/src/plugins/media-export/rygel-media-export-metadata-extractor.vala
+++ b/src/plugins/media-export/rygel-media-export-metadata-extractor.vala
@@ -90,7 +90,6 @@ public class Rygel.MediaExport.MetadataExtractor: GLib.Object {
 
     private void on_done (GUPnPDLNA.Information dlna,
                           GLib.Error            err) {
-        this.discoverer.done.disconnect (on_done);
         this.discoverer = null;
         var file = this.file_hash.get (dlna.info.get_uri ());
         if (file == null) {