hg: build-infra/jdk9: Review comments

[erik.joelsson at oracle.com]

Changeset: c9822b5fabf2
Author:    erikj
Date:      2016-04-06 10:37 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk9/rev/c9822b5fabf2

Review comments

! common/autoconf/flags.m4
! common/autoconf/generated-configure.sh
! common/autoconf/hotspot.m4