Polish

spring-boot-samples/spring-boot-sample-actuator/src/main/java/sample/actuator/SampleActuatorApplication.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2012-2017 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.
@@ -28,7 +28,7 @@ import org.springframework.context.annotation.Bean;
 public class SampleActuatorApplication {
 
 	public static void main(String[] args) throws Exception {
-		SpringApplication.run(SampleActuatorApplication.class, args);
+		SpringApplication.run(SampleActuatorApplication.class, args).close();
 	}
 
 	@Bean