hg: lambda/lambda/jdk: Add missing specification of null handling behaviour.

[mike.duigou at oracle.com]

Changeset: 1ca7473e08aa
Author:    mduigou
Date:      2013-02-20 13:49 -0800
URL:       http://hg.openjdk.java.net/lambda/lambda/jdk/rev/1ca7473e08aa

Add missing specification of null handling behaviour.
Contributed-by: alan.bateman at oracle.com

! src/share/classes/java/time/chrono/HijrahDeviationReader.java
! src/share/classes/java/util/Optional.java
! src/share/classes/java/util/OptionalDouble.java
! src/share/classes/java/util/OptionalInt.java
! src/share/classes/java/util/OptionalLong.java