Patch: make AbstractGraphicsState.clone public

[Bryce McKinlay]

Tom Tromey wrote:

> This patch fixes a bug in AbstractGraphicsState.
> This bug currently isn't detected by gcj, but that is a bug in gcj.
> (Alex has a patch to fix it.)
>
> There's no particular reason for this to go on the branch.

If the compiler bug is fixed on the branch (which it should be), then
presumably this patch needs to go on the branch as well?

regards

  [ bryce ]