net/samba420: opt out from Features/fortify.mk
[...]
Checking for freebsd sendfile support : not found
sendfile support not found but it was requested !
(complete log in /wrkdirs/usr/ports/net/samba420/work/samba-4.20.8/bin/config.log)
> Script "configure" failed unexpectedly.
[...]
PR: 292390