Cleanup of duplicate semicolons

Issue: SPR-15654
(cherry picked from commit 779deb0)

spring-webmvc/src/main/java/org/springframework/web/servlet/view/document/AbstractXlsView.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.
@@ -71,7 +71,7 @@ public abstract class AbstractXlsView extends AbstractView {
 		response.setContentType(getContentType());
 
 		// Flush byte array to servlet output stream.
-		renderWorkbook(workbook, response);;
+		renderWorkbook(workbook, response);
 	}