URGENT: Fix PR #225 when translate language is not en...

... and there are no correct locales in the artist sort-name node.

To recreate, in Options / Metadata, set Translate Artist Names to German, put 9c3e896d-a1f0-368e-bf5b-a189e8cea44e in the album search box and click search.

See http://forums.musicbrainz.org/viewtopic.php?pid=25627 for error report.

Fixes PR #225.