Snippets for airspyhf 1.6.8.7 from FreeBSD 151arm64

Sourced from https://pkg-status.freebsd.org/ampere5/data/latest-per-pkg/airspyhf/1.6.8.7_1/151arm64-default.log.

• /wrkdirs/usr/ports/comms/airspyhf/work/airspyhf-24fe8ffc/libairspyhf/src/airspyhf.c:135:3: warning: redefinition of typedef 'airspyhf_device_t' is a C11 feature [-Wtypedef-redefinition]
    135 | } airspyhf_device_t;
        |   ^