[openssl/openssl] ec1b4b: (1.1) Add SSL_(CTX_)?get0_(verify|chain)_cert_stor...

[Hugo Landau]

  Branch: refs/heads/OpenSSL_1_1_1-stable
  Home:   https://github.openssl.org/openssl/openssl
  Commit: ec1b4bf26c1b2440546f323873c578374f60b2de
      https://github.openssl.org/openssl/openssl/commit/ec1b4bf26c1b2440546f323873c578374f60b2de
  Author: Hugo Landau <hlandau at openssl.org>
  Date:   2022-05-05 (Thu, 05 May 2022)

  Changed paths:
    M doc/man3/SSL_CTX_set1_verify_cert_store.pod
    M include/openssl/ssl.h
    M ssl/s3_lib.c
    M ssl/ssl_cert.c
    M ssl/ssl_local.h
    M test/sslapitest.c
    M util/private.num

  Log Message:
  -----------
  (1.1) Add SSL_(CTX_)?get0_(verify|chain)_cert_store functions

Backport of #18038 to 1.1.

Fixes #18035.

Reviewed-by: Tomas Mraz <tomas at openssl.org>
Reviewed-by: Dmitry Belyavskiy <beldmit at gmail.com>
(Merged from https://github.com/openssl/openssl/pull/18190)