Revert the previous commit to fix buildworld for now.
Revert the previous commit to fix buildworld for now.

We have constified 'struct bpf_insn *' for bpf_filter(9) and bpf_validate(9)
since r1.19 but they conflict with pcap.h from libpcap.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase