hg: jdk9/sandbox/jdk: Fix SetN sizing to avoid infinite loop searching for absent element.

[stuart.marks at oracle.com]

Changeset: 8a34cd7a4684
Author:    smarks
Date:      2015-08-28 14:53 -0700
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/8a34cd7a4684

Fix SetN sizing to avoid infinite loop searching for absent element.

! src/java.base/share/classes/java/util/UnmodifiableCollections.java
! test/java/util/Collection/MOAT.java