bug#16040: 24.3.50: r115361 broke Xlib/Lucid/Motif build

[martin rudalics]

> Configure as follows:
>
> ./configure --disable-acl --without-all --with-x-toolkit=no \
>         --enable-gcc-warnings --enable-check-lisp-object-type \
>         --enable-checking
>
> ./src/emacs -Q ==>
>
> ../../trunk/src/xdisp.c:1048: Emacs fatal error: assertion failed: 
> height >= 0
> Fatal error 6: Aborted

My bad.  I should have tested this.

> The same issue exists with Lucid (--with-x-toolkit=lucid)
> and Motif (--with-x-toolkit=motif) builds.
>
> Previous revision r115360 is free from this issue.

Please try again with these.  Do you see any other issues with pixelwise
resizing?

Thanks for reporting, martin