fix warning on timer cbc
fix warning on timer cbc

coin-or/Dip,tkralphs/Dip,tkralphs/Dip,coin-or/Dip,tkralphs/Dip,coin-or/Dip,tkralphs/Dip,coin-or/Dip,tkralphs/Dip,coin-or/Dip,coin-or/Dip,coin-or/Dip,tkralphs/Dip,tkralphs/Dip