recent changes to display code

[Glenn Morris]

Something in your 2007-11-04 change to the src/ directory of the
EMACS_22_BASE branch has fairly badly messed up Emacs for me. The
ChangeLog entry is also missing.

./src/emacs -Q
  -> mode-line and scroll-bar are "missing" (in the sense of being
  empty and just looking like the normal buffer background).

The scroll bar appears if I type something into scratch.

This is on GNU/Linux, configured with:

--with-x-toolkit=athena --without-toolkit-scroll-bars