isoApplet: Prevent reading uninitialized values
isoApplet: Prevent reading uninitialized values

CID 365823

Thanks coverity

frankmorgner/OpenSC,frankmorgner/OpenSC,fabled/OpenSC,Jakuje/OpenSC,dengert/OpenSC,mouse07410/OpenSC,Jakuje/OpenSC,frankmorgner/OpenSC,philipWendland/OpenSC,OpenSC/OpenSC,OpenSC/OpenSC,mouse07410/OpenSC,dengert/OpenSC,OpenSC/OpenSC,Jakuje/OpenSC,fabled/OpenSC,dengert/OpenSC,Jakuje/OpenSC,metsma/OpenSC,mouse07410/OpenSC,LudovicRousseau/OpenSC,philipWendland/OpenSC,LudovicRousseau/OpenSC,LudovicRousseau/OpenSC,fabled/OpenSC,metsma/OpenSC,fabled/OpenSC,metsma/OpenSC,frankmorgner/OpenSC,philipWendland/OpenSC