Review Request: 8006074: build-infra: Configure fails to find SetEnv.Cmd in microsoft sdk

[Tim Bell]

Erik:

> This small patch fixes a problem with configure, Cygwin and Microsoft 
> SDK SetEnv.Cmd as reported in this mail:
>
> http://mail.openjdk.java.net/pipermail/build-infra-dev/2013-January/002911.html 
>
>
> http://cr.openjdk.java.net/~erikj/8006074/webrev.root.01/

Looks good.  Thanks for fixing this.

Tim