header added

redisson/src/main/java/org/redisson/misc/HighwayHash.java

@@ -13,6 +13,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+/*
+ * Copyright (C) 2018 The HighwayHash Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package org.redisson.misc;
 
 /**