[kupfer] rhythmbox: Use .jpg extension for Rhythmbox cover art

[Ulrik Sverdrup <usverdrup src gnome org>]

commit a164f28cae0c174fb6ac4afb74b1c4a3ad0b5cb2
Author: William Friesen <wfriesen gmail com>
Date:   Mon Apr 4 16:04:49 2011 +1000

    rhythmbox: Use .jpg extension for Rhythmbox cover art
    
    Prevously this function would always return None, as it was not looking
    for the full file name + extension

 kupfer/plugin/rhythmbox.py |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/kupfer/plugin/rhythmbox.py b/kupfer/plugin/rhythmbox.py
index 328c9e3..066cc76 100644
--- a/kupfer/plugin/rhythmbox.py
+++ b/kupfer/plugin/rhythmbox.py
@@ -281,7 +281,8 @@ class AlbumLeaf (TrackCollection):
 		artist = self.object[0]["artist"]
 		album = unicode(self)
 		bs_artist_album = \
-			" - ".join([us.encode("ascii", "ignore") for us in (artist, album)])
+			" - ".join([us.encode("ascii", "ignore") for us in (artist, album)]) \
+			+ ".jpg"
 		return config.get_cache_file(("rhythmbox", "covers", bs_artist_album))
 
 	def get_thumbnail(self, width, height):