Make all admin checks use one table

chatcommands.lua

@@ -35,7 +35,7 @@ minetest.register_chatcommand("set_owner", {
 	description = "Protect an area beetween two positions and give"
 		.." a player access to it without setting the parent of the"
 		.." area to any existing area",
-	privs = {areas=true},
+	privs = areas.adminPrivs,
 	func = function(name, param)
 		local ownerName, areaName = param:match('^(%S+)%s(.+)$')
 
@@ -175,7 +175,7 @@ minetest.register_chatcommand("find_areas", {
 minetest.register_chatcommand("list_areas", {
 	description = "List your areas, or all areas if you are an admin.",
 	func = function(name, param)
-		local admin = minetest.check_player_privs(name, {areas=true})
+		local admin = minetest.check_player_privs(name, areas.adminPrivs)
 		local areaStrings = {}
 		for id, area in pairs(areas.areas) do
 			if admin or areas:isAreaOwner(id, name) then