hg: jdk/sandbox: 8201317: X25519/X448 code improvements

[chris.hegarty at oracle.com]

Changeset: 46ec360a7014
Author:    apetcher
Date:      2018-08-29 12:00 -0400
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/46ec360a7014

8201317: X25519/X448 code improvements
Summary: Minor code/comment improvements
Reviewed-by: xuelei

! src/java.base/share/classes/sun/security/util/math/intpoly/IntegerPolynomial.java
! src/jdk.crypto.ec/share/classes/sun/security/ec/XDHKeyAgreement.java