small fix

maps/mp/bots/_bot_utility.gsc

@@ -1601,11 +1601,13 @@ load_waypoints()
 	mapname = getDvar( "mapname" );
 
 	level.waypointCount = 0;
-	level.waypoints = [];
 	level.waypointUsage = [];
 	level.waypointUsage["allies"] = [];
 	level.waypointUsage["axis"] = [];
 
+	if ( !isDefined( level.waypoints ) )
+		level.waypoints = [];
+
 	wps = readWpsFromFile( mapname );
 
 	if ( wps.size )