[7u60] Request for approval: (aio) Assertion in clearPendingIoMap when closing at around time file lock is acquired immediately (win)

[Ivan Gerasimov]

Hello!

Would you please approve the backport to 7u60 of the following fix:

Bug: https://bugs.openjdk.java.net/browse/JDK-8028208
Jdk8 changeset: http://hg.openjdk.java.net/jdk8/jdk8/jdk/rev/0c414ac10700

The fix applies cleanly except for the ProblemList part, which is not 
applicable here.

Sincerely yours,
Ivan