Workaround for broken OSS_GETVERSION on FreeBSD, part two

Workaround for broken OSS_GETVERSION on FreeBSD, part two

Turns out on those versions of FreeBSD (>= 7.x) that know OSS_GETVERSION
the ioctl doesn't actually work yet (except in the Linuxolator), so if
building on FreeBSD assume the sound drivers are new enough if the ioctl
returns the errno it does currently on FreeBSD.

(Rev 2 after private discussion with malc.)

 Signed-off-by: Juergen Lock <nox@jelal.kn-bremen.de>
Signed-off-by: malc <av1474@comtv.ru>