[openssl/openssl] 51b941: doc: Fix incorrect pairing of functions

[Ladislav Marko]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: 51b941ac290864103d00a3d6a3018372b58b01f4
      https://github.com/openssl/openssl/commit/51b941ac290864103d00a3d6a3018372b58b01f4
  Author: Ladislav Marko <LadislavMarko at seznam.cz>
  Date:   2023-04-13 (Thu, 13 Apr 2023)

  Changed paths:
    M doc/man7/provider-signature.pod

  Log Message:
  -----------
  doc: Fix incorrect pairing of functions

CLA: trivial

The functions that should be implemented together are `OSSL_FUNC_signature_verify_recover_init` and `OSSL_FUNC_signature_verify_recover` and not  `OSSL_FUNC_signature_verify_recover_init` with ` OSSL_FUNC_signature_verify_init`

Reviewed-by: Tomas Mraz <tomas at openssl.org>
Reviewed-by: Hugo Landau <hlandau at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20704)