[openssl/openssl] 0f6799: Fix a potential memory leak in crypto/provider_chi...

[RuiliF]

  Branch: refs/heads/openssl-3.0
  Home:   https://github.com/openssl/openssl
  Commit: 0f67990573fc2e556487d84878d6b71bf0b036a7
      https://github.com/openssl/openssl/commit/0f67990573fc2e556487d84878d6b71bf0b036a7
  Author: Ruili Fang <ruili.fang.98 at gmail.com>
  Date:   2023-02-01 (Wed, 01 Feb 2023)

  Changed paths:
    M crypto/provider_child.c

  Log Message:
  -----------
  Fix a potential memory leak in crypto/provider_child.c

Fix issue #20063.
CLA: trivial

Reviewed-by: Matt Caswell <matt at openssl.org>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
Reviewed-by: Paul Dale <pauli at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20163)

(cherry picked from commit e788c772b12eea5ced4ce46619e13acf0e0eb6ba)