Partial fix for #12964
This adds ossl_ names for the following symbols:
blake2b512_init,blake2b_final,blake2b_init,blake2b_init_key,
blake2b_param_init,blake2b_param_set_digest_length,blake2b_param_set_key_length,
blake2b_param_set_personal,blake2b_param_set_salt,blake2b_update,
blake2s256_init,blake2s_final,blake2s_init,blake2s_init_key,
blake2s_param_init,blake2s_param_set_digest_length,blake2s_param_set_key_length,
blake2s_param_set_personal,blake2s_param_set_salt,blake2s_update,
digest_default_get_params,digest_default_gettable_params
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14211)
This stops them leaking into other namespaces in a static build.
They remain internal.
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/13013)
