* cipher/md.c (md_enable): Add an NO_REJECT argument.
(md_open): Check flags against GCRY_MD_FLAG_FIPS_NO_REJECTION to
call md_enable.
(_gcry_md_enable): Follow the change.
(_gcry_md_hash_buffer): Don't reject but keep the computation.
Call fips_service_indicator_mark_success.
(_gcry_md_hash_buffers_extract): Likewise.
* src/gcrypt.h.in (GCRY_MD_FLAG_FIPS_NO_REJECTION): New.
* src/visibility.c (gcry_md_hash_buffer, gcry_md_hash_buffers): Call
fips_service_indicator_init.
(gcry_md_hash_buffers_ext): Likewise.