[openssl/openssl] e763b1: doc: Clarify that calling SSL_set_session(ssl, NUL...

[Tomas Mraz]

  Branch: refs/heads/master
  Home:   https://github.openssl.org/openssl/openssl
  Commit: e763b1861fb2a138371464b7d3996dbde85ff5e8
      https://github.openssl.org/openssl/openssl/commit/e763b1861fb2a138371464b7d3996dbde85ff5e8
  Author: EasySec <easy.sec at free.fr>
  Date:   2022-04-19 (Tue, 19 Apr 2022)

  Changed paths:
    M doc/man3/SSL_set_session.pod

  Log Message:
  -----------
  doc: Clarify that calling SSL_set_session(ssl, NULL) is a correct use case.

Reviewed-by: Ben Kaduk <kaduk at mit.edu>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18101)