CMP: fix crash in check_transactionID_or_nonce() on 'actual' being NULL
CMP: fix crash in check_transactionID_or_nonce() on 'actual' being NULL

Reviewed-by: Tomas Mraz <2bc6038c3dfca09b2da23c8b6da8ba884dc2dcc2@openssl.org>
Reviewed-by: Matt Caswell <1fa2ef4755a9226cb9a0a4840bd89b158ac71391@openssl.org>
Reviewed-by: David von Oheimb <fbbca6c63636e78e7034aaf1b4aa3a9736383192@siemens.com>
(Merged from https://github.com/openssl/openssl/pull/18929)

openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl,openssl/openssl