bug#5162: 23.1.90; display-time broken in non-X build

[Chong Yidong]

> This change is pertinent to this issue, but does not seem to have been
> mentioned here:
>
> 2009-12-17  Andreas Schwab  <schwab at linux-m68k.org>
>
>     * emacs-lisp/autoload.el (batch-update-autoloads): Only
>     exclude unconditionally preloaded files.

Looks like the with-x and without-x builds now have the same
loaddefs.el.