Fix MACROLET at the top-level of a compiled file.
Fix MACROLET at the top-level of a compiled file.

DEFUN forms within a top-level macrolet were incorrectly being
compiled in the null lexical environment.

varjagg/Mezzano,varjagg/Mezzano,rvedam/Mezzano,froggey/Mezzano,froggey/Mezzano,rvedam/Mezzano