fix spellbinding circle not preventing flip summons

Author: edo9300

official/c18807108.lua

@@ -5,6 +5,7 @@ function s.initial_effect(c)
 	aux.AddPersistentProcedure(c,1,nil,CATEGORY_POSITION,nil,nil,nil,nil,nil,nil,nil,true)
 	local e1=Effect.CreateEffect(c)
 	e1:SetType(EFFECT_TYPE_FIELD)
+	e1:SetProperty(EFFECT_FLAG_SET_AVAILABLE)
 	e1:SetCode(EFFECT_CANNOT_CHANGE_POSITION)
 	e1:SetRange(LOCATION_SZONE)
 	e1:SetTargetRange(LOCATION_MZONE,LOCATION_MZONE)
@@ -30,4 +31,4 @@ function s.descon(e,tp,eg,ep,ev,re,r,rp)
 end
 function s.desop(e,tp,eg,ep,ev,re,r,rp)
 	Duel.Destroy(e:GetHandler(),REASON_EFFECT)
-end
+end