CLA: trivial
The thing created by `OSSL_FUNC_signature_newctx()` and `OSSL_FUNC_signature_dupctx()` is a signature context, not a signature. It's in the name of the function and surrounding documentation.
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20705)
(cherry picked from commit
b2023d5dfc957cf5a3cfca16961f97e79842b941)
=head1 RETURN VALUES
OSSL_FUNC_signature_newctx() and OSSL_FUNC_signature_dupctx() should return the newly created
-provider side signature, or NULL on failure.
+provider side signature context, or NULL on failure.
OSSL_FUNC_signature_gettable_ctx_params(), OSSL_FUNC_signature_settable_ctx_params(),
OSSL_FUNC_signature_gettable_md_ctx_params() and OSSL_FUNC_signature_settable_md_ctx_params(),