Bugfix, wires sometimes turned off for no reason

mesecons/init.lua

@@ -93,7 +93,7 @@ function mesecon:receptor_off(pos, rules)
 	for _, rule in ipairs(rules) do
 		local np = mesecon:addPosRule(pos, rule)
 		local link, rulename = mesecon:rules_link(pos, np, rules)
-		if link then
+		if link and not mesecon:connected_to_receptor(np) then
 			mesecon:turnoff(np, rulename)
 		end
 	end