Polishing

spring-test/src/main/java/org/springframework/mock/web/MockHttpServletResponse.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2017 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -215,6 +215,7 @@ public class MockHttpServletResponse implements HttpServletResponse {
 		return (int) this.contentLength;
 	}
 
+	@Override
 	public void setContentLengthLong(long contentLength) {
 		this.contentLength = contentLength;
 		doAddHeaderValue(CONTENT_LENGTH_HEADER, contentLength, true);