hg: jdk9/dev/langtools: 8159524: jdeps -jdkinternals throws NPE when no replacement is known

[mandy.chung at oracle.com]

Changeset: 93cda5b92117
Author:    mchung
Date:      2016-06-17 14:33 -0700
URL:       http://hg.openjdk.java.net/jdk9/dev/langtools/rev/93cda5b92117

8159524: jdeps -jdkinternals throws NPE when no replacement is known
Reviewed-by: dfuchs

! src/jdk.jdeps/share/classes/com/sun/tools/jdeps/DepsAnalyzer.java
! src/jdk.jdeps/share/classes/com/sun/tools/jdeps/JdepsTask.java
! src/jdk.jdeps/share/classes/com/sun/tools/jdeps/resources/jdkinternals.properties
+ test/tools/jdeps/jdkinternals/ShowReplacement.java
+ test/tools/jdeps/jdkinternals/p/NoRepl.java
+ test/tools/jdeps/jdkinternals/p/WithRepl.java