travis: add 'make lint' to the Travis CI tests
travis: add 'make lint' to the Travis CI tests

Reviewed-by: Tom Hromatka <96b9c1f2c09b98d7a09b4688fc637f1494d8e182@oracle.com>
Signed-off-by: Paul Moore <a027184a55211cd23e3f3094f1fdc728df5e0500@paul-moore.com>

seccomp/libseccomp-golang