hg: jdk/jdk: 8203327: Small cleanups in java.lang.ref

[martinrb at google.com]

Changeset: fe42de5250f3
Author:    martin
Date:      2018-05-29 19:15 -0700
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/fe42de5250f3

8203327: Small cleanups in java.lang.ref
Reviewed-by: mr

! src/java.base/share/classes/java/lang/ref/ReferenceQueue.java