bug#44932: 28.0.50; MINIBUF 'nomini' for window-in-direction

[martin rudalics]

> So here is a patch to avoid such accidents.  It sends MINIBUF arg
> from window-in-direction to MINIBUF arg of walk-window-tree:

One day we should make up our mind whether we want this arg to be called
MINI, MINIBUF or MINIBUFFER.  I have no personal preference but the
current state (in particular on the C-level) confuses the hell out of
me.

martin