RFR (XS): 8081668: fix Nashorn ant externals command

[A. Sundararajan]

+1

On Tuesday 02 June 2015 05:30 PM, Michael Haupt wrote:
> Dear all,
>
> please review and sponsor this small fix:
> Bug: https://bugs.openjdk.java.net/browse/JDK-8081668
> Webrev: http://cr.openjdk.java.net/~mhaupt/8081668/webrev.00
>
> Recent changes in the Showdown project on Github led to dependencies no longer being available for download, which would lead to failures in fresh Nashorn workspaces. Falling back to a revision of the project that has these files fixes this.
>
> Tested in a fresh workspace.
>
> Thanks,
>
> Michael
>