X11 checks in configure phase for some packages

[Joshua Root]

Fred Dushin wrote:
> XQuartz 2.3.1
> 
> I also installed the X11SDK from the Leopard install disk, just to make
> sure.

I hope you didn't install the X11SDK after XQuartz. Maybe it's smart
enough not to, but it may have overwritten some of the XQuartz bits with
older versions.

- Josh