Snippets for airspyhf 1.6.8.7 from FreeBSD 150arm64

Sourced from https://pkg-status.freebsd.org/ampere5/data/latest-per-pkg/airspyhf/1.6.8.7/150arm64-default.log.

• /wrkdirs/usr/ports/comms/airspyhf/work/airspyhf-1.6.8-7-gb93dedd/libairspyhf/src/airspyhf.c:122:3: warning: redefinition of typedef 'airspyhf_device_t' is a C11 feature [-Wtypedef-redefinition]
    122 | } airspyhf_device_t;
        |   ^