update code style

HMCLAPI/src/main/java/rx/util/functions/Action3.java

@@ -1,12 +1,12 @@
 /**
  * Copyright 2013 Netflix, Inc.
- * 
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  * http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -16,5 +16,6 @@
 package rx.util.functions;
 
 public interface Action3<T1, T2, T3> extends Function {
+
     public void call(T1 t1, T2 t2, T3 t3);
-}
+}