[openssl/openssl] 03e621: Fix a possible memleak in smime_main

[Bernd Edlinger]

  Branch: refs/heads/openssl-3.1
  Home:   https://github.com/openssl/openssl
  Commit: 03e6213d732c5cdeaa0822eeb457d6da3e306718
      https://github.com/openssl/openssl/commit/03e6213d732c5cdeaa0822eeb457d6da3e306718
  Author: Bernd Edlinger <bernd.edlinger at hotmail.de>
  Date:   2023-12-12 (Tue, 12 Dec 2023)

  Changed paths:
    M apps/smime.c

  Log Message:
  -----------
  Fix a possible memleak in smime_main

Reviewed-by: Shane Lontis <shane.lontis at oracle.com>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22919)

(cherry picked from commit ba4d833f6e24a83bc3e74ba55f52d8916b70fb59)