Adding enhancements for Mac OS X.  Doesn't hinder Linux or FreeBSD builds.  But is -wrong- for non-i386 builds.  This needs to be fixed properly.  But, I'm tired of adding a line and changing two others in order to build on Mac OS X, Intel.
Adding enhancements for Mac OS X.  Doesn't hinder Linux or FreeBSD
builds.  But is -wrong- for non-i386 builds.  This needs to be fixed
properly.  But, I'm tired of adding a line and changing two others in
order to build on Mac OS X, Intel.

nickhen/muforth,nickhen/muforth