Fix crash reported by CIFuzz in starcos_has_esign_app()
Fix crash reported by CIFuzz in starcos_has_esign_app()

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