fix crash on irc message

enter_keyword.lua

@@ -16,7 +16,7 @@ minetest.register_chatcommand(keyword, {
 		minetest.chat_send_player(player, "# Illuna (wispers): This Keyword is not to be told to anyone who is not an admin.")
         minetest.log("[newplayer] granted "..player.." interact!")
 		if minetest.get_modpath("irc") then
-			irc:say(("%s %s"):format("*** "..player.." has been granted interact!"))
+			irc:say(("***%s %s"):format("",""..player.." has been granted interact!"))
 		end
 	end,
 })