be backward compatible

areas.lua

@@ -9,12 +9,24 @@ end
 -- protection check
 local old_is_protected = minetest.is_protected
 function minetest.is_protected(pos, name)
-	local _, id = areas:getSmallestAreaAtPos(pos)
-	if id then
-		local required_priv = priv_areas[id]
-		if required_priv and not minetest.check_player_privs(name, required_priv) then
-			-- required privililege not met, protected
-			return true
+	if areas.getSmallestAreaAtPos then
+		local _, id = areas:getSmallestAreaAtPos(pos)
+		if id then
+			local required_priv = priv_areas[id]
+			if required_priv and not minetest.check_player_privs(name, required_priv) then
+				-- required privililege not met, protected
+				return true
+			end
+		end
+	else
+		local area_list = areas:getAreasAtPos(pos)
+		for id in pairs(area_list) do
+			local required_priv = priv_areas[id]
+
+			if required_priv and not minetest.check_player_privs(name, required_priv) then
+				-- required privililege not met, protected
+				return true
+			end
 		end
 	end