pkcs15-piv: Add check for use_file_cache
pkcs15-piv: Add check for use_file_cache

OpenSC/OpenSC,philipWendland/OpenSC,dengert/OpenSC,LudovicRousseau/OpenSC,metsma/OpenSC,dengert/OpenSC,philipWendland/OpenSC,mouse07410/OpenSC,OpenSC/OpenSC,LudovicRousseau/OpenSC,mouse07410/OpenSC,metsma/OpenSC,philipWendland/OpenSC,LudovicRousseau/OpenSC,mouse07410/OpenSC,metsma/OpenSC,OpenSC/OpenSC,dengert/OpenSC