Polishing

(cherry picked from commit 3783591)

spring-webmvc/src/main/java/org/springframework/web/servlet/config/annotation/DelegatingWebMvcConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2015 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.
@@ -42,6 +42,7 @@ public class DelegatingWebMvcConfiguration extends WebMvcConfigurationSupport {
 
 	private final WebMvcConfigurerComposite configurers = new WebMvcConfigurerComposite();
 
+
 	@Autowired(required = false)
 	public void setConfigurers(List<WebMvcConfigurer> configurers) {
 		if (configurers == null || configurers.isEmpty()) {
@@ -50,6 +51,7 @@ public class DelegatingWebMvcConfiguration extends WebMvcConfigurationSupport {
 		this.configurers.addWebMvcConfigurers(configurers);
 	}
 
+
 	@Override
 	protected void addInterceptors(InterceptorRegistry registry) {
 		this.configurers.addInterceptors(registry);