Choose kqueue for OpenBSD family
Choose kqueue for OpenBSD family

dwrensha/mio,rrichardson/mio,carllerche/mio,fuchsia-mirror/third_party-mio,fuchsia-mirror/third_party-mio,asomers/mio,carllerche/mio,mneumann/mio,asomers/mio,mneumann/mio,murarth/mio