hg: jdk7u/jdk7u-dev: 8025920: webrev.ksh does not provide any details about changes in zip files

[tomas.hurka at oracle.com]

Changeset: 104c02d9c423
Author:    thurka
Date:      2013-10-07 13:11 +0200
URL:       http://hg.openjdk.java.net/jdk7u/jdk7u-dev/rev/104c02d9c423

8025920: webrev.ksh does not provide any details about changes in zip files
Summary: Add support for diffs for zip files
Reviewed-by: ksrini, chegar

! make/scripts/webrev.ksh