* cascaded apr_status_t checks. */
#define MD_CHK_VARS const char *md_chk_
#define MD_LAST_CHK md_chk_
-#define MD_CHK_STEP(c, status, s) (md_chk_ = s, status == (rv = (c)))
+#define MD_CHK_STEP(c, status, s) (md_chk_ = s, (void)md_chk_, status == (rv = (c)))
#define MD_CHK(c, status) MD_CHK_STEP(c, status, #c)
#define MD_IS_ERR(c, err) (md_chk_ = #c, APR_STATUS_IS_##err((rv = (c))))
#define MD_CHK_SUCCESS(c) MD_CHK(c, APR_SUCCESS)
#define MD_OID_MUST_STAPLE_SNAME "tlsfeature"
#define MD_OID_MUST_STAPLE_LNAME "TLS Feature"
-static int get_must_staple_nid()
+static int get_must_staple_nid(void)
{
/* Funny API, the OID for must staple might be configured or
* might be not. In the second case, we need to add it. But adding