[8u-dev] Request for approval to backport 8098854: Do cleanup in a proper order in sunmscapi code

[Ivan Gerasimov]

Hello!

I'd like to backport this cleanup fix, which makes the sunmscapi code a 
little bit more robust.
The patch applies cleanly after unshuffling.

Bug: https://bugs.openjdk.java.net/browse/JDK-8098854
Jdk9 change: http://hg.openjdk.java.net/jdk9/dev/jdk/rev/455de3861b2d
Jdk9 review: 
http://mail.openjdk.java.net/pipermail/security-dev/2015-July/012500.html

Sincerely yours,
Ivan