[openssl/openssl] a2b1ab: Fix a possible memory leak of ssl->s3.tmp.psk

[Bernd Edlinger]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: a2b1ab6100d5f0fb50b61d241471eea087415632
      https://github.com/openssl/openssl/commit/a2b1ab6100d5f0fb50b61d241471eea087415632
  Author: Bernd Edlinger <bernd.edlinger at hotmail.de>
  Date:   2023-11-09 (Thu, 09 Nov 2023)

  Changed paths:
    M ssl/s3_lib.c

  Log Message:
  -----------
  Fix a possible memory leak of ssl->s3.tmp.psk

Reviewed-by: Matt Caswell <matt at openssl.org>
Reviewed-by: Paul Dale <pauli at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22637)