hg: build-infra/jdk8: Fixed solaris build and made compare script work on solaris.

[erik.joelsson at oracle.com]

Changeset: 6feaab505290
Author:    erikj
Date:      2012-03-27 12:26 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk8/rev/6feaab505290

Fixed solaris build and made compare script work on solaris.

! common/autoconf/configure
! common/autoconf/configure.ac
! common/bin/compareimage.sh
! common/bin/diffexec.sh
! common/bin/diffjarzip.sh
! common/bin/difflib.sh