hg: jigsaw/jake/jdk: jar --print-module-descriptor missed to close the jar file

[mandy.chung at oracle.com]

Changeset: 2d63ca46f6db
Author:    mchung
Date:      2016-11-02 10:40 -0700
URL:       http://hg.openjdk.java.net/jigsaw/jake/jdk/rev/2d63ca46f6db

jar --print-module-descriptor missed to close the jar file

! src/jdk.jartool/share/classes/sun/tools/jar/Main.java
! test/tools/jar/mmrjar/ConcealedPackage.java