Attempt to fix kfreebsd-* builds

https://buildd.debian.org/status/fetch.php?pkg=tlsdate&arch=kfreebsd-i386&ver=0.0.7-1.3&stamp=1408764565
GNU/Hurd build fix
Merge branch 'master' of github.com:ioerror/tlsdate
Initial builds for Debian GNU/kfreebsd-*