bug#12806: 24.3.50; Dead keys misbehavior when scroll-lock is enabled

[Dani Moncayo]

> I reverted the previous change and committed a different one, please
> see if it solves the problems.

Thanks.  This is what I see now:
* C-M-u works again, regardless of the scroll-lock setting.
* The dead keys don't work (same misbehavior already described), also
regardless of the scroll-lock setting.
* The caps-lock key doesn't work: letters are written in lowercase,
regardless of its setting.


-- 
Dani Moncayo