Adapt ieee.h, gdtoa and libc to the fact that we don't have 80-bit floats on m88k.  Agreed by miod@.
Adapt ieee.h, gdtoa and libc to the fact that we don't have 80-bit
floats on m88k.  Agreed by miod@.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars