Added missing license headers

git-svn-id: https://svn.apache.org/repos/asf/directmemory/trunk@1422666 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/directmemory-cache/src/main/java/org/apache/directmemory/memory/buffer/Int32Compressor.java b/directmemory-cache/src/main/java/org/apache/directmemory/memory/buffer/Int32Compressor.java
index 746203b..a3a4b7f 100644
--- a/directmemory-cache/src/main/java/org/apache/directmemory/memory/buffer/Int32Compressor.java
+++ b/directmemory-cache/src/main/java/org/apache/directmemory/memory/buffer/Int32Compressor.java
@@ -1,5 +1,24 @@
 package org.apache.directmemory.memory.buffer;
 
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 public final class Int32Compressor
 {
 
diff --git a/directmemory-cache/src/main/java/org/apache/directmemory/memory/buffer/Int64Compressor.java b/directmemory-cache/src/main/java/org/apache/directmemory/memory/buffer/Int64Compressor.java
index c603261..3bfc86c 100644
--- a/directmemory-cache/src/main/java/org/apache/directmemory/memory/buffer/Int64Compressor.java
+++ b/directmemory-cache/src/main/java/org/apache/directmemory/memory/buffer/Int64Compressor.java
@@ -1,5 +1,24 @@
 package org.apache.directmemory.memory.buffer;
 
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
 public final class Int64Compressor
 {