Bug#237565: discover: Discover should not depend on ash

[Alan Tam <Tam@SiuLung.com>]

> I imagine ash is there so that it's easy to build discover for stable
> and have it work (stable didn't have dash).

I see.


> The easiest fix would be to switch the order and make the dependency 
'dash | ash'.

Agree.

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Regards,
Alan