Bug#662061: rhythmbox-plugins: darklyrics.com parser IndexError on empty artist_ascii

[althaser]

I forgot to mention a possible fix to this #662061:
https://git.gnome.org/browse/rhythmbox/commit/plugins/lyrics/DarkLyricsParser.py?id=71c8d7ba79a02dae10bb69520bf1ae93497a48e4
.

thanks
regards
althaser