hg: jdk10/sandbox/jdk: 8185092: Data race in FilterOutputStream.close

[chris.hegarty at oracle.com]

Changeset: 042b21e44931
Author:    bpb
Date:      2017-07-27 13:13 -0700
URL:       http://hg.openjdk.java.net/jdk10/sandbox/jdk/rev/042b21e44931

8185092: Data race in FilterOutputStream.close
Summary: Change boolean instance variable "closed" to an AtomicBoolean.
Reviewed-by: martin, alanb, redestad

! src/java.base/share/classes/java/io/FilterOutputStream.java