hg: build-infra/jdk8: Made CreateZipArchive run each zip command on a separate command line

[erik.joelsson at oracle.com]

Changeset: 7a5cb7af82b2
Author:    erikj
Date:      2012-10-09 13:51 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk8/rev/7a5cb7af82b2

Made CreateZipArchive run each zip command on a separate command line
in hope of improving windows stability. Also improves readability in
verbose log.

! common/autoconf/spec.gmk.in
! common/makefiles/JavaCompilation.gmk