tcpdump: Update to 4.99.5
Changes: https://git.tcpdump.org/tcpdump/blob/4a789712f187e3ac7b2c0044c3a3f8c71b83646e:/CHANGES
Obtained from: https://www.tcpdump.org/release/tcpdump-4.99.5.tar.xz
Sponsored by: The FreeBSD Foundation
(cherry picked from commit 0a7e5f1f02aad2ff5fff1c60f44c6975fd07e1d9)