hg: lambda/lambda/jdk: - ensure null values are retained

[paul.sandoz at oracle.com]

Changeset: 8d6fc90e7bbf
Author:    psandoz
Date:      2012-12-03 16:57 +0100
URL:       http://hg.openjdk.java.net/lambda/lambda/jdk/rev/8d6fc90e7bbf

- ensure null values are retained
- add very simple data provider for combination of numbers and null values

! src/share/classes/java/util/stream/op/UniqOp.java
! test-ng/tests/org/openjdk/tests/java/util/stream/StreamTestDataProvider.java
! test-ng/tests/org/openjdk/tests/java/util/stream/op/UniqOpTest.java