[openssl/openssl] bdcaa4: Include <openssl/err.h> in include/refcount.h

[johnkohl-hcl]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: bdcaa47ddb86bfef8bbdebc02a7b72df49920b6d
      https://github.com/openssl/openssl/commit/bdcaa47ddb86bfef8bbdebc02a7b72df49920b6d
  Author: John Kohl <john.kohl at hcl.com>
  Date:   2023-07-27 (Thu, 27 Jul 2023)

  Changed paths:
    M include/internal/refcount.h

  Log Message:
  -----------
  Include <openssl/err.h> in include/refcount.h

Fixes #21555

CLA: trivial

Reviewed-by: Matt Caswell <matt at openssl.org>
Reviewed-by: Dmitry Belyavskiy <beldmit at gmail.com>
Reviewed-by: Paul Dale <pauli at openssl.org>
Reviewed-by: Todd Short <todd.short at me.com>
(Merged from https://github.com/openssl/openssl/pull/21561)