Tweaked spice harvester carryalls

A followup of https://github.com/OpenRA/OpenRA/pull/6780 that fixes the remaining quirks I had.
Actually, aircraft DID have their own queue.

On 2014-12-05, at 3:44 PM, Matthias Mailänder <notifications@github.com> wrote:

> In mods/d2k/rules/structures.yaml:
> 
> > @@ -601,6 +601,11 @@ WALL:
> >  	Tooltip:
> >  		Name: High Tech Facility
> >  		Description: Unlocks advanced technology
> > +	Production:
> > +		Produces: Aircraft, Armor
> It is required. See how the kennel works.
> 
> —
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>