[PATCH v2] examples/rpcapd: demo version of packet capture daemon

[Marat Khalili]

>   2. The rpcap-protocol.h file is not exported by libpcap and
>      considered internal. The original is too damn messy to use
>      in DPDK as a copy.
Ok, I missed that part, Strange that they don't have a public header 
with protocol constants, but I guess there is little we can do, we have 
to have our own version. Maybe worth explaining it in the file header.