Turned on checkstyle

spring-cloud-function-samples/function-sample-pof/src/main/java/functions/Application.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 the original author or authors.
+ * Copyright 2012-2019 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.
@@ -19,10 +19,13 @@ package functions;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
+// @checkstyle:off
 @SpringBootApplication
 public class Application {
 
 	public static void main(String[] args) {
 		SpringApplication.run(Application.class, args);
 	}
+
 }
+// @checkstyle:on