Fixed bug in screen dump code
Fixed bug in screen dump code

ghisvail/irtk-legacy,BioMedIA/irtk-legacy,BioMedIA/IRTK,sk1712/IRTK,BioMedIA/IRTK,BioMedIA/irtk-legacy,ghisvail/irtk-legacy,ghisvail/irtk-legacy,ghisvail/irtk-legacy,BioMedIA/irtk-legacy,sk1712/IRTK,sk1712/IRTK,BioMedIA/IRTK,sk1712/IRTK,BioMedIA/IRTK,BioMedIA/irtk-legacy