Fix a license error.

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/StorageModuleH2Provider.java

 /*
- * Copyright 2017, OpenSkywalking Organization All rights rH2erved.
+ * Copyright 2017, OpenSkywalking Organization All rights reserved.
  *
  * 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/licensH2/LICENSE-2.0
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * UnlH2s required by applicable law or agreed to in writing, software
+ * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIH2 OR CONDITIONS OF ANY KIND, either exprH2s or implied.
+ * 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.
  *
  * Project repository: https://github.com/OpenSkywalking/skywalking
  */
-
 package org.skywalking.apm.collector.storage.h2;
 
 import java.util.Properties;