here from config/i386/xm-i386mach.h, fix name.
* config/i386/nm-sun386.h: Ditto, from config/i386/xm-sun386.h.
* config/i386/nm-ptx4.h (CHILD_PREPARE_TO_STORE): Move to
here from config/i386/xm-ptx4.h.
* config/i386/nm-ptx4.h: Ditto, from config/i386/xm-ptx.h.
* config/i386/nm-symmetry.h: Ditto, from config/i386/xm-symmetry.h.
* config/m68k/nm-sun3.h: Ditto, from config/m68k/xm-sun3.h.
more housekeeping