hg: jdk9/sandbox: Even more code review fixes.

[magnus.ihse.bursie at oracle.com]

Changeset: 7eb1c52d64cc
Author:    ihse
Date:      2017-04-11 15:57 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/7eb1c52d64cc

Even more code review fixes.

! common/autoconf/generated-configure.sh
! common/autoconf/jdk-options.m4
! make/Javadoc.gmk