return POLLOUT as long as (lowat + 1) isn't reached. without this audio(4) is unusable with lowat = 1
return POLLOUT as long as (lowat + 1) isn't reached. without this audio(4)
is unusable with lowat = 1

ok jakemsr@

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars