iso-sm: fixed allocating enough data
iso-sm: fixed allocating enough data

regression from aa940e8619d01e491b92171c427520d30a89b46d

CardContact/OpenSC,frankmorgner/OpenSC,mouse07410/OpenSC,OpenSC/OpenSC,fabled/OpenSC,dengert/OpenSC,Jakuje/OpenSC,hhonkanen/OpenSC,philipWendland/OpenSC,Jakuje/OpenSC,rickyepoderi/OpenSC,Jakuje/OpenSC,LudovicRousseau/OpenSC,metsma/OpenSC,frankmorgner/OpenSC,metsma/OpenSC,OpenSC/OpenSC,fabled/OpenSC,hhonkanen/OpenSC,hhonkanen/OpenSC,philipWendland/OpenSC,CardContact/OpenSC,LudovicRousseau/OpenSC,Jakuje/OpenSC,metsma/OpenSC,OpenSC/OpenSC,frankmorgner/OpenSC,hongquan/OpenSC-main,hongquan/OpenSC-main,LudovicRousseau/OpenSC,AktivCo/OpenSC,rickyepoderi/OpenSC,fabled/OpenSC,frankmorgner/OpenSC,hongquan/OpenSC-main,fabled/OpenSC,philipWendland/OpenSC,mouse07410/OpenSC,dengert/OpenSC,CardContact/OpenSC,AktivCo/OpenSC,rickyepoderi/OpenSC,mouse07410/OpenSC,AktivCo/OpenSC,dengert/OpenSC