hg: jigsaw/tools: Fixed NPE thrown in ChecksDep and BootAnalyzer.

[mandy.chung at sun.com]

Changeset: 14aaf5cc03ec
Author:    mchung
Date:      2009-12-01 11:16 -0800
URL:       http://hg.openjdk.java.net/jigsaw/tools/rev/14aaf5cc03ec

Fixed NPE thrown in ChecksDep and BootAnalyzer.
Fixed ClassAnalyzer to work if only one module is specified.

! make/config/bootmodule.roots
! src/share/classes/com/sun/classanalyzer/BootAnalyzer.java
! src/share/classes/com/sun/classanalyzer/CheckDeps.java
! src/share/classes/com/sun/classanalyzer/Module.java