Fix bug in md5 calculation

Commit 8c432325c3df2075a77b27eab8a87704cf7b48ee introduced a bug for
smaller sizes. Just basically revert the optimization, safer to stay
with a 'reference' implementation than skip a memset.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2 files changed