was supposed to work is useless, because if we can't trust the distfile from
the remote machine, we can't trust the signature from the same machine either.
Our MD5 and SHA256 are good for checking both the sanity and the
trustiness of distfiles.
Approved by: portmgr (erwin), erwin (mentor)
dns/walker is the same ports. And name 'walker' was
recognized as a better name. So we move dns/dnssecwalker
to dns/walker port and remove the first one.
Submitted by: Johan van Selst <johans(at)stack.nl>
