[rygel] external: Swap AlbumArtFactory.create parameters

[Jens Georg <jensgeorg src gnome org>]

commit 3e34306eb291647128091b81372e0b7ad8b38d57
Author: Reiner Merk <lotan_rm gmx de>
Date:   Wed Dec 18 11:56:00 2013 +0000

    external: Swap AlbumArtFactory.create parameters
    
    ServiceName and ObjectPath were mixed-up.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=720669

 .../external/rygel-external-item-factory.vala      |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/plugins/external/rygel-external-item-factory.vala 
b/src/plugins/external/rygel-external-item-factory.vala
index bd471cf..a4ed8b2 100644
--- a/src/plugins/external/rygel-external-item-factory.vala
+++ b/src/plugins/external/rygel-external-item-factory.vala
@@ -86,8 +86,8 @@ public class Rygel.External.ItemFactory {
         if (value != null) {
             var cover_factory = new AlbumArtFactory ();
 
-            music.album_art = yield cover_factory.create ((string) value,
-                                                          service_name);
+            music.album_art = yield cover_factory.create (service_name,
+                                                          (string) value);
         }
 
         this.set_audio_metadata (music, props, service_name);