hg: build-infra/jdk8: Fixed mistake in --with-libz

[erik.joelsson at oracle.com]

Changeset: 56bd0ac1afe1
Author:    erikj
Date:      2012-06-08 10:13 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk8/rev/56bd0ac1afe1

Fixed mistake in --with-libz

! common/autoconf/configure.ac
! common/autoconf/generated-configure.sh