* stop supporting unused parentlen block, I have no idea how it
was ever usable, but playlists don't work in subdirectories...

* myFgets is far easier to use than fgetc loops.

* Since we're using myFgets, we'll just skip lines that are too
long, rather than error out and bitch and moan about things...

git-svn-id: https://svn.musicpd.org/mpd/trunk@7118 09075e82-0dd4-0310-85a5-a0d7c8717e4f