md: Fix gcry_md_algo_info to mark/reject under FIPS mode.
* cipher/md.c (check_digest_algo): Fix for marking non-compliance. * src/visibility.c (gcry_md_algo_info): Add check with fips_is_operational.
- GnuPG-bug-id: T7338
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>