The function pr_pack() prints out a packet, if the IP packet contains options, these are printed as well.
Commit 46d7b45a267b3d78c5054b210ff7b6c55bfca42b introduced an integer overflow bug, by changing `hlen` from int to uint8_t.
Remove the problematic code.
Fixes: 46d7b45a267b3d78c5054b210ff7b6c55bfca42b