Fix copy-n-paste errors in NativeWebRequest

spring-web/src/main/java/org/springframework/web/context/request/NativeWebRequest.java

 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2013 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.
@@ -56,13 +56,13 @@ public interface NativeWebRequest extends WebRequest {
 	<T> T getNativeRequest(Class<T> requiredType);
 
 	/**
-	 * Return the underlying native request object, if available.
+	 * Return the underlying native response object, if available.
 	 * @param requiredType the desired type of response object
 	 * @return the matching response object, or {@code null} if none
 	 * of that type is available
-	 * @see javax.servlet.http.HttpServletRequest
-	 * @see javax.portlet.ActionRequest
-	 * @see javax.portlet.RenderRequest
+	 * @see javax.servlet.http.HttpServletResponse
+	 * @see javax.portlet.ActionResponse
+	 * @see javax.portlet.RenderResponse
 	 */
 	<T> T getNativeResponse(Class<T> requiredType);