added freebsd cross-compile to 'make check' tests
added freebsd cross-compile to 'make check' tests

License: MIT
Signed-off-by: Rob Deutsch <34b13c78abbaa819f384bad2957e418261b09638@gmail.com>

Luzifer/go-ipfs,Luzifer/go-ipfs,Luzifer/go-ipfs,chriscool/go-ipfs,chriscool/go-ipfs,chriscool/go-ipfs