change for qt 5.4
change for qt 5.4

xsmart/opencvr,veyesys/opencvr,xsmart/opencvr,xiaojuntong/opencvr,veyesys/opencvr,xiaojuntong/opencvr,telecamera/opencvr,telecamera/opencvr,herocodemaster/opencvr,herocodemaster/opencvr,xsmart/opencvr,veyesys/opencvr,veyesys/opencvr,xiaojuntong/opencvr,herocodemaster/opencvr,telecamera/opencvr,xsmart/opencvr,xiaojuntong/opencvr,herocodemaster/opencvr,xsmart/opencvr,veyesys/opencvr,telecamera/opencvr