Cleanup hf_register_info declaration passed to llc_add_oui(). While there,
change the declaration to an array in order to be consistent with the rest
of packet-*.c files.
svn path=/trunk/; revision=28830
An NHRP extension offset of 0 is not an error - it means there are no
extensions.
Start using the address family number to determine the type of
link-layer addresses in NHRP. Don't fetch IPv4 addresses and add them
to the tree - just use proto_tree_add_item().
svn path=/trunk/; revision=28286