TS_REQ_set_policy_id
LCRYPTO_USED(TS_REQ_set_policy_id);
int TS_REQ_set_policy_id(TS_REQ *a, const ASN1_OBJECT *policy);
LCRYPTO_ALIAS(TS_REQ_set_policy_id);
if (policy_obj != NULL && !TS_REQ_set_policy_id(ts_req, policy_obj))