nsec: fix merge (renamed function)

src/knot/nameserver/nsec_proofs.c

@@ -695,8 +695,7 @@ static int ns_put_nsec_nsec3_nodata(const knot_node_t *node,
 			     knot_pkt_t *resp)
 {
 	// This case must be handled first, before handling the wildcard case
-	if (knot_node_rrset_count(node) == 0
-	    && !knot_zone_contents_nsec3_enabled(zone)) {
+	if (knot_node_rrset_count(node) == 0 && !knot_is_nsec3_enabled(zone)) {
 		// node is an empty non-terminal => NSEC for NXDOMAIN
 		return ns_put_nsec_nxdomain(qname, zone, previous,
 		                            closest_encloser, resp);