HHH-4261 comment and checkstyle

hibernate-core/src/test/java/org/hibernate/test/annotations/any/AnyTest.java

@@ -188,6 +188,7 @@ public class AnyTest extends BaseCoreFunctionalTestCase {
 		};
 	}
 
+	// Simply having this orm.xml file in the classpath reproduces HHH-4261.
     @Override
     protected String[] getXmlFiles() {
         return new String[] { "org/hibernate/test/annotations/any/orm.xml" };

hibernate-core/src/test/resources/org/hibernate/test/annotations/any/orm.xml

@@ -4,4 +4,4 @@
                  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                  version="2.0">
     <package>org.hibernate.test.annotations.any</package>
-</entity-mappings>
+</entity-mappings>