Small fix

src/libknot/hash/cuckoo-hash-table.c

@@ -343,7 +343,7 @@ static inline void ck_put_item(ck_hash_table_item_t **to,
 static uint ck_check_used_twice(da_array_t *used, uint32_t hash)
 {
 	uint i = 0, found = 0;
-	while (i <= da_get_count(used) && found < 2) {
+	while (i < da_get_count(used) && found < 2) {
 		if (((uint *)(da_get_items(used)))[i] == hash) {
 			++found;
 		}