hg: build-infra/jdk8/jdk: Fixed creation of symlink on solaris to point to file in same directory instead of using absolute path.

[erik.joelsson at oracle.com]

Changeset: 91ee9c0e9a27
Author:    erikj
Date:      2012-10-22 15:57 +0100
URL:       http://hg.openjdk.java.net/build-infra/jdk8/jdk/rev/91ee9c0e9a27

Fixed creation of symlink on solaris to point to file in same directory instead of using absolute path.

! makefiles/CopyFiles.gmk