Disable meminfo_unix_test on FreeBSD
Disable meminfo_unix_test on FreeBSD

This is really just testing parseMemInfo which is part of the linux
platform implementation.

Signed-off-by: Doug Rabson <56be4c1e9e32abdc1e263227d75b7c1114499099@rabson.org>

containers/storage,containers/storage,containers/storage