hg: lambda/lambda/jdk: Ensure the unmodifiable entry set spliterator cannot be modified

[paul.sandoz at oracle.com]

Changeset: 8911b124ded8
Author:    psandoz
Date:      2013-07-05 17:19 +0200
URL:       http://hg.openjdk.java.net/lambda/lambda/jdk/rev/8911b124ded8

Ensure the unmodifiable entry set spliterator cannot be modified
for splits, nor for streams.

! src/share/classes/java/util/Collections.java
! test/java/util/Collections/UnmodifiableMapEntrySet.java