Correct description for doWithLocalFields

Issue: SPR-16658

(cherry picked from commit 3ac46da)

spring-core/src/main/java/org/springframework/util/ReflectionUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 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.
@@ -645,8 +645,7 @@ public abstract class ReflectionUtils {
 	}
 
 	/**
-	 * Invoke the given callback on all fields in the target class, going up the
-	 * class hierarchy to get all declared fields.
+	 * Invoke the given callback on all locally declared fields in the given class.
 	 * @param clazz the target class to analyze
 	 * @param fc the callback to invoke for each field
 	 * @since 4.2