fedanet 0.0.71: reportedly works with OpenBSD

FEDAnet source tarball version 0.0.71 uploaded ; it contains a minor fix that covers the (previously unknown to me) difference in the tun/tap facility API between FreeBSD and OpenBSD. Yes, they are different. Slightly but sufficient to be incompatible. The new version is reported to compile and run on OpenBSD. Thanks go to EVI for reporting the trouble and trying the fixed version (which involved…