krb5_verify_init_creds_opt_set_ap_req_nofail — Initialize the ap_req_nofail field in krb5_verify_init_creds_opt

void krb5_verify_init_creds_opt_set_ap_req_nofail (
        krb5_verify_init_creds_opt      *opt,
        int                             ap_req_nofail );