hg: build-infra/jdk9: ... and another $.

[magnus.ihse.bursie at oracle.com]

Changeset: e5737a59b18f
Author:    ihse
Date:      2016-01-23 12:00 +0100
URL:       http://hg.openjdk.java.net/build-infra/jdk9/rev/e5737a59b18f

... and another $.

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