lib/resolve: fixed debug build

lib/resolve.c

@@ -169,7 +169,7 @@ int kr_resolve(struct kr_context* ctx, knot_pkt_t *answer,
 	while (state == KNOT_STATE_PRODUCE) {
 		/* Hardlimit on iterative queries */
 		if (++iter_count > KR_ITER_LIMIT) {
-			DEBUG_MSG("iteration limit %d reached\n", ITER_LIMIT);
+			DEBUG_MSG("iteration limit %d reached\n", KR_ITER_LIMIT);
 			state = KNOT_STATE_FAIL;
 			break;
 		}