This fixes 'podman build' and 'buildah build' on non-linux platforms
where (*Config).Capabilities started throwing errors after the
pkg/capabilities package started using github.com/moby/sys/capability to
validate the capability lists.
Signed-off-by: Doug Rabson <dfr@rabson.org>
Doug Rabson
Oleksandr Redko
Valentin Rothberg
Qi Wang