[openssl/openssl] 8447b5: Fix examples related to BIO_do_accept

[faramir-dev]

  Branch: refs/heads/openssl-3.0
  Home:   https://github.com/openssl/openssl
  Commit: 8447b5680c2211ad359346fb2f02a5830efc8c5e
      https://github.com/openssl/openssl/commit/8447b5680c2211ad359346fb2f02a5830efc8c5e
  Author: Daniel Fiala <daniel at openssl.org>
  Date:   2022-10-04 (Tue, 04 Oct 2022)

  Changed paths:
    M doc/man3/BIO_f_ssl.pod
    M doc/man3/BIO_s_accept.pod

  Log Message:
  -----------
  Fix examples related to BIO_do_accept

Fixes openssl#8825

Reviewed-by: Tomas Mraz <tomas at openssl.org>
Reviewed-by: Paul Dale <pauli at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19329)

(cherry picked from commit 47cd0e5b1f98fb88d6d8337f7ec0e16bb83cea32)