[openssl/openssl] a3e71d: Fix output corruption in req command

[Bernd Edlinger]

  Branch: refs/heads/openssl-3.0
  Home:   https://github.com/openssl/openssl
  Commit: a3e71dc38b757e526c5417ae4274885b1869b7d2
      https://github.com/openssl/openssl/commit/a3e71dc38b757e526c5417ae4274885b1869b7d2
  Author: Bernd Edlinger <bernd.edlinger at hotmail.de>
  Date:   2023-09-09 (Sat, 09 Sep 2023)

  Changed paths:
    M apps/req.c
    M test/recipes/25-test_req.t

  Log Message:
  -----------
  Fix output corruption in req command

when used in conjunction with -out and -modulus options.

Fixes #21403

Reviewed-by: Dmitry Belyavskiy <beldmit at gmail.com>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22026)

(cherry picked from commit d2873946dfaff5537ea3d1adf3890e33a3f276ff)