Fix checkstyle errors

Author: philwebb

spring-boot-tools/spring-boot-loader-tools/src/main/java/org/springframework/boot/loader/tools/Layouts.java

@@ -160,7 +160,7 @@ public boolean isExecutable() {
 
 	/**
 	 * Module layout (designed to be used as a "plug-in").
-	 * 
+	 *
 	 * @deprecated as of 1.5 in favor of a custom {@link LayoutFactory}
 	 */
 	@Deprecated