[PATCH, take 2] Build java as two separate DLLs on windows.

[Andrew Haley]

Dave Korn wrote:

>   Here's the final version of my libjava-as-dlls patch.  Nobody had anything
> much to say about the first draft so I take it there were no obvious massive
> flaws; 

No, you take it that I was AFK for a few days and didn't have the time
to look at it.

>   Bootstrapped at -j4 on i686-pc-cygwin.  Tests currently running, results
> anticipated in a few hours.  Assuming (as I have every reason to expect) no
> regressions, OK for HEAD?

Please wait for approval.

Andrew.