udf: Use UTF-32 <-> UTF-8 conversion functions from NLS

Instead of implementing our own functions converting to and from UTF-8,
use the ones provided by NLS.

Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jan Kara 2018-04-12 17:06:18 +02:00
commit b8a41c44a4