RFR: JDK-8056269: get_source.sh does not copy the closed repos when cloning local filesystems

[Tim Bell]

Erik:

> This small patch makes it possible to use get_source.sh when doing 
> local clones, including closed repositories (for anyone who doesn't 
> like the trees extension).
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8056269
>
> Webrev: http://cr.openjdk.java.net/~erikj/8056269/webrev.01/

OK - looks good to me.

Tim