[MLton] commit r4725: Statically-linked wrapper functions for Intel Mac

[Matthew Fluet]

> The changes seem to have addressed the problem with the regressions. 
> There are a bunch of ~0.0 vs. 0.0 failures in the real tests, but the 
> other regressions ran fine.  As expected, the FFI stuff causes the same 
> problems as with the math functions.  I think that you are going to have 
> to modify the code generator to produce the dynamic linking stubs on Mac 
> OS X.

Great.  At r4732, I went ahead and modified the code generator to produce 
dynamic linking stubs on x86-darwin.  If you get a chance to update to the 
latest SVN sources and re-compile, it should be the case that FFI works 
properly.