- #ifdef BX_WITH_MACOS is always true, even if BX_WITH_MACOS is defined to   be zero.  I changed it to #ifdef macintosh. - removed extern "C" {} that only encompassed two #defines.  If there   were any includes in there it would be important, but there weren't.
- #ifdef BX_WITH_MACOS is always true, even if BX_WITH_MACOS is defined to
  be zero.  I changed it to #ifdef macintosh.
- removed extern "C" {} that only encompassed two #defines.  If there
  were any includes in there it would be important, but there weren't.

marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet,marmolejo/bochs-zet