Change to environment variable handling

[Christopher Faylor]

On Tue, Nov 11, 2008 at 11:59:21AM +0100, Corinna Vinschen wrote:
>I just applied a customer induced patch which changes the way the
>environment is treated when a Cygwin process is started from a
>non-Cygwin process.  For the last ten years all environment variables
>were unconditionally uppercased.

And, for the last ten years I have resisted this patch in all of its
manifestations.

>Now the user has a choice.

Translation: Now you (or Red Hat) has made a unilateral decision to
change Cygwin functionality.

cgf