[Conkeror] bugfix: minibuffer history if match required

[John J Foerch]

marting at gmx.ch writes:
> Hi,
>
> When exit_minibuffer is called and match_required is true, I think it
> is better to add the match than to add the minibuffer text to the
> minibuffer history. The following patch implements that.
>

Applied, thank you.

-- 
John Foerch