dm bufio: add missed destroys of client mutex

The client's mutex needs to be destroyed in dm_bufio_client_destroy() as
well as the dm_bufio_client_create() error path.

Signed-off-by: Aliaksei Karaliou <akaraliou.dev@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
1 file changed