This is to avoid having a warning saying that there is no makefile.dep
file, which will be generated right after the warning and then
included in the Makefile.
svn merge --ignore-ancestry svn://svn.insecure.org/nmap@26621 svn://svn.insecure.org/nmap-exp/luis/nmap-os6
This is the IPv6 OS detection branch. "nmap -6 -O" works now, though at
this point it only prints fingerprints and not OS guesses, because we
need to collect more submissions.