Add missing package declaration.

Author: bshannon

Diff for: mail/src/test/java/javax/mail/internet/MimeMultipartParseTest.java

@@ -1,7 +1,7 @@
 /*
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
  *
- * Copyright (c) 1997-2017 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
  *
  * The contents of this file are subject to the terms of either the GNU
  * General Public License Version 2 only ("GPL") or the Common Development
@@ -38,6 +38,8 @@
  * holder.
  */
 
+package javax.mail.internet;
+
 import java.util.*;
 import java.io.*;
 import javax.mail.*;