libpcap: Update to 1.10.4
Sponsored by: The FreeBSD Foundation
(cherry picked from commit dd744a896be358d6f001766188da6aed80e00378)
(cherry picked from commit 270d20ce91c898c532ebaff76bb5b71c8544e928)
(cherry picked from commit 67c802c948abf6955c3d8b53f4a41293a9caea24)
(cherry picked from commit b1538e8fc488409113b833dd1c53aab1057b0568)