hg: jigsaw/jigsaw/jdk: Check if path arguments are readable

[dalibor.topic at sun.com]

Changeset: 3e1c73f3a6e0
Author:    robilad
Date:      2010-05-05 17:52 +0200
URL:       http://hg.openjdk.java.net/jigsaw/jigsaw/jdk/rev/3e1c73f3a6e0

Check if path arguments are readable

! src/share/classes/org/openjdk/jigsaw/cli/Packager.java
! test/org/openjdk/jigsaw/cli/JpkgArgsTest.java