Fix bug in map file generation.
Fix bug in map file generation.

A newline would be inserted if the function's name contained a newline
character. Bochs doesn't like this.

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