Resolve #3477001 "Fix the issues reported by phpcodesniffer"

Closes #3477001

lazy_service_example/src/EventSubscriber/LazyServiceSubscriber.php

@@ -15,6 +15,7 @@ class LazyServiceSubscriber implements EventSubscriberInterface {
   public function __construct(myLazyInterface $mylazy) {
     $this->mylazy = $mylazy;
   }
+
   /**
    * Kernel request event handler.
    *