renamed function

functions/check.sh

@@ -22,7 +22,7 @@ array_contains () {
 check_root.sh
 
 if [ "${function_selfname}" != "command_install.sh" ] && [ "${function_selfname}" != "update_functions.sh" ]; then
-	check_systemdir.sh
+	check_system_dir.sh
 fi
 
 local allowed_commands_array=( command_backup.sh command_console.sh command_debug.sh command_details.sh command_unreal2_maps.sh command_ut99_maps.sh command_monitor.sh command_start.sh command_stop.sh update_check.sh command_validate.sh update_functions.sh command_email_test.sh )