bug#60210: 30.0.50; tab-bar height not recalculated when face changes

[Gregory Heytings]

> > > Thanks, I hope I fixed this now on emacs-29, please re-test.
> >
> > Thanks, it works now!  My guess that is was a rounding problem was 
> > right. But I'm curious: in *_change_tab_bar_height we set 
> > f->tab_bar_lines, and in redisplay_tab_bar we check w->total_lines. 
> > Where is the former used to set the latter?
>
> In adjust_frame_size and its subroutines, I guess.

Thanks, I'll have a look.  The person who sent me the bug report confirmed 
that the bug is also fixed with his configuration, so all is well.