[aquaria] Aquaria SDL build problem on 64bit Ubuntu 10.04

[Ryan C. Gordon]

> Oh, thanks for this ! I stumbled upon the same build error last night,
> but I didn't have the time to track it down. I don't have access to the
> code right now, but I think maybe this OR should be an AND ?

No, it's that Linux doesn't use SDLmain (only Windows and Mac OS X do), 
so Cmake fails to find that library.

This should be fixed in hg changeset b65169ffbe9e, now.

--ryan.