Cannot build dired after addition of lua-mode

[Norbert Koch]

* scop at xemacs dot org:

| > Uhm, this may be the wrong procedure:
| Partially, yes...

thought so :-)
 
| You'll want to do "gmake distclean autoloads" in prog-modes to get the
| offending autoloads actually removed and generated again.

okay, that works.  Could you please commit this change and Stephen's
spell checking fix also?

I'm going to pre-release a new version tomorrow if that's okay by
everyone.

norbert.