PATCH - Minor changes to support 64bit int/32bit ABI for PPC

[David Edelsohn]

>>>>> Fariborz Jahanian writes:

Fariborz> OK. David. Could you review rest of the patch. macho stuff has been 
Fariborz> reviewed by a colleague at APPLE.
Fariborz> rs6000.h change is addition of one macro. (Or you want me to send out a 
Fariborz> new patch?).

	Okay, the rest of the patch is fine.  The worst it can do is break
the Mac OS X configuration.

David