bio_put(): add bio_clone() to the list of functions in the comment

In bio_put()'s comment, add bio_clone() to the list of functions that can
give you a bio reference.

Signed-off-by: Alberto Bertogli <albertito@blitiri.com.ar>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
1 file changed