[openssl/openssl] a60f8b: Fix typo in function name

[Tianjia Zhang]

  Branch: refs/heads/OpenSSL_1_1_1-stable
  Home:   https://github.com/openssl/openssl
  Commit: a60f8b887124860174f590bb1007dd6cb660ae0a
      https://github.com/openssl/openssl/commit/a60f8b887124860174f590bb1007dd6cb660ae0a
  Author: Tianjia Zhang <tianjia.zhang at linux.alibaba.com>
  Date:   2023-08-02 (Wed, 02 Aug 2023)

  Changed paths:
    M doc/man3/CMS_sign.pod

  Log Message:
  -----------
  Fix typo in function name

Signed-off-by: Tianjia Zhang <tianjia.zhang at linux.alibaba.com>

Reviewed-by: Tomas Mraz <tomas at openssl.org>
Reviewed-by: Paul Dale <pauli at openssl.org>
Reviewed-by: Tom Cosgrove <tom.cosgrove at arm.com>
Reviewed-by: Hugo Landau <hlandau at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/21608)

(cherry picked from commit 38c70a161cc6f96682bd77c8a935c5767355438c)