fips: Introduce GCRYCTL_FIPS_SERVICE_INDICATOR and the macro.
* src/fips.c (_gcry_fips_indicator): New. * src/g10lib.h (_gcry_fips_indicator): New. * src/gcrypt.h.in (GCRYCTL_FIPS_SERVICE_INDICATOR): New. (gcry_get_fips_service_indicator): New. * src/global.c (_gcry_vcontrol): Handle GCRYCTL_FIPS_SERVICE_INDICATOR.
- GnuPG-bug-id: T7338
- Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>