hg: lambda/lambda/jdk: Fix NPE using tryAdvance on a WeakHashMap's value set spliterator.

[paul.sandoz at oracle.com]

Changeset: 83dffb9d0d18
Author:    psandoz
Date:      2013-03-15 13:39 +0100
URL:       http://hg.openjdk.java.net/lambda/lambda/jdk/rev/83dffb9d0d18

Fix NPE using tryAdvance on a WeakHashMap's value set spliterator.
Contributed-by: Doug Lea <dl at cs.oswego.edu>

! src/share/classes/java/util/WeakHashMap.java
! test-ng/tests/org/openjdk/tests/java/util/stream/SpliteratorTraversingAndSplittingTest.java