Fix broken javadoc link to ROME tools project

Issue: SPR-9379

spring-web/src/main/java/org/springframework/http/converter/feed/AbstractWireFeedHttpMessageConverter.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2010 the original author or authors.
+ * Copyright 2002-2012 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.
@@ -37,8 +37,8 @@ import org.springframework.http.converter.HttpMessageNotWritableException;
 import org.springframework.util.StringUtils;
 
 /**
- * Abstract base class for Atom and RSS Feed message converters, using java.net's
- * <a href="https://rome.dev.java.net/">ROME</a> package.
+ * Abstract base class for Atom and RSS Feed message converters, using the
+ * <a href="http://rometools.org/">ROME tools</a> project.
  *
  * @author Arjen Poutsma
  * @since 3.0.2