Mark the inclusion of md5 in fips.go as ignore by gas
Mark the inclusion of md5 in fips.go as ignore by gas

This is a false positive as we are testing existence not actually using MD5.

Signed-off-by: Justin Cormack <af64ee19f04db9509cb02b0e470e11e5402ef9b3@docker.com>

HuKeping/notary,HuKeping/notary,docker/notary,jfrazelle/notary,HuKeping/notary,endophage/notary,johnsandiford/notary,endophage/notary,endophage/notary,jfrazelle/notary,docker/notary,johnsandiford/notary,jfrazelle/notary,docker/notary,johnsandiford/notary