Fio 2.2.9 released with improved support for BSDs

[Tomohiro Kusumi]

although there are more things to work on, fio 2.2.9 has some improvement
on (dragonfly)bsd support.
https://twitter.com/axboe/status/614119812717940736
http://brick.kernel.dk/snaps/fio-2.2.9.shortlog.txt