fix lua table insanity

items.lua

@@ -18,8 +18,14 @@ if minetest.get_modpath("areas") then
 
 		 -- allow for players with areas privilege
 		if not player_owns_id and minetest.check_player_privs(name, { areas=true }) then
-			if table.getn(current_areas) == 1 then
-				player_owns_id = current_areas[1] or current_areas[0]
+			local num_current_areas = 0
+			local current_area_id = nil
+			for areas_id, areas_area in pairs( current_areas ) do
+				num_current_areas = num_current_areas + 1
+				current_area_id = "a"..tostring(areas_id)
+			end
+			if num_current_areas == 1 then
+				player_owns_id = current_area_id
 			else
 				minetest.chat_send_player(name, "[creative_regions] Area ambiguous: You are in multiple areas.")
 				minetest.after(0.2, function(pos)