Windows: fixed crash on startup with CloudViewer/PCLVisualization/QVTKWidget initialization
Windows: fixed crash on startup with CloudViewer/PCLVisualization/QVTKWidget initialization

MASKOR/rtabmap,chen0510566/rtabmap,markusgrotz/rtabmap,markusgrotz/rtabmap,markusgrotz/rtabmap,srmanikandasriram/rtabmap,chen0510566/rtabmap,chen0510566/rtabmap,srmanikandasriram/rtabmap,MASKOR/rtabmap,srmanikandasriram/rtabmap,MASKOR/rtabmap