fix build on travis
fix build on travis

rhomobile/rhodes,watusi/rhodes,tauplatform/tau,watusi/rhodes,tauplatform/tau,watusi/rhodes,watusi/rhodes,watusi/rhodes,rhomobile/rhodes,watusi/rhodes,watusi/rhodes,tauplatform/tau,tauplatform/tau,watusi/rhodes,rhomobile/rhodes,tauplatform/tau,watusi/rhodes,tauplatform/tau,rhomobile/rhodes,rhomobile/rhodes,rhomobile/rhodes,rhomobile/rhodes,tauplatform/tau,tauplatform/tau,rhomobile/rhodes,rhomobile/rhodes,tauplatform/tau,rhomobile/rhodes,watusi/rhodes,tauplatform/tau