"D/D/D Zero Doom Queen Machinex" fix

It was missing categories for the effect that Special Summons itself

Author: NaimSantos

official/c20715411.lua

@@ -26,6 +26,7 @@ function s.initial_effect(c)
 	--Special Summon this card from the Extra Deck if a "Dark Contract" or "D/D/D" card(s) is destroyed
 	local e2=Effect.CreateEffect(c)
 	e2:SetDescription(aux.Stringid(id,1))
+	e2:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_DESTROY)
 	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
 	e2:SetProperty(EFFECT_FLAG_DELAY+EFFECT_FLAG_DAMAGE_STEP)
 	e2:SetCode(EVENT_DESTROYED)