SammysHP [1] filed a request to merge libfprint-upstream-git [2] into libfprint-git [3]:
Maintainer of libfprint-git removed the patch that was rejected by upstream, so this package is now obsolete.
[1] https://aur.archlinux.org/account/SammysHP/ [2] https://aur.archlinux.org/pkgbase/libfprint-upstream-git/ [3] https://aur.archlinux.org/pkgbase/libfprint-git/