Adds openssl compatibility.

Signed-off-by: Eneas U de Queiroz <cote2004-github@yahoo.com>

Conserver is an application that allows multiple users to use
serial consoles at the same time, with logging.  It has a client-
server design which makes it easy to manage a distributed set
of serial consoles.  Logging makes post-crash analyses easier.

Signed-off-by: Bjørn Mork <bjorn@mork.no>