CI: Add warning exemptions for Sun C (suncc-5.14) on Solaris 10

[tcpdump] / tests / radius_rfc5447_invalid_length-v.out

    1  2018-08-02 13:47:25.180847 IP (tos 0x0, ttl 64, id 47488, offset 0, flags [none], proto UDP (17), length 84)
    127.0.0.1.55520 > 127.0.0.1.1812: RADIUS [length 57 > 56] (invalid)