security/libfido2: Fix build after base 74ecdf86d8d2a94a4bfcf094a2e21b4747e4907f

PR: 283697
Reported by: Dan Kotowski <dan.kotowski@a9development.com>
Obtained from: Dimitry Andric <dim@FreeBSD.org>

(cherry picked from commit b5f07ccdd26a5242abc9ec44ec7237649f6634e5)