fixed use of uninitialized data
fixed use of uninitialized data

When card->sm_ctx.ops.free_sm_apdu gets called in sc_sm_single_transmit
with a prior transmission error, then `sm_encrypt` still tries to
decrypt the response and hence, accesses the previously uninitialized
`resp`.

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