[openssl/openssl] c28c2e: Fix coverity issues in X509v3_addr

[Shane]

  Branch: refs/heads/openssl-3.0
  Home:   https://github.com/openssl/openssl
  Commit: c28c2e0c7e6544e91886b2825c9e5ebb7ff98a8f
      https://github.com/openssl/openssl/commit/c28c2e0c7e6544e91886b2825c9e5ebb7ff98a8f
  Author: slontis <shane.lontis at oracle.com>
  Date:   2022-11-21 (Mon, 21 Nov 2022)

  Changed paths:
    M crypto/x509/v3_addr.c
    M test/v3ext.c

  Log Message:
  -----------
  Fix coverity issues in X509v3_addr

CID 1516955 : Null pointer deref (REVERSE_INULL)
CID 1516954 : Null pointer deref (REVERSE_INULL)
CID 1516953 : RESOURCE_LEAK of child

Reviewed-by: Paul Dale <pauli at openssl.org>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19700)

(cherry picked from commit 26cfa4cd85f6b26dd7a48c2ff06bfa4a2cea4764)