fix issues with fingerprint authentication (FS#17519)
Signoff both, Allan
- [arch-dev-public] [signoff] sudo-1.7.2p7-2 Allan McRae
- Re: [arch-dev-public] [signoff] sudo-1.7.2p7-2 Ionuț Bîru
- Re: [arch-dev-public] [signoff] sudo-1.7.2p7-2 Allan McRae
- Re: [arch-dev-public] [signoff] sudo-1.7.2p7-2 Pierre Schmitz
