Fixes missing line in BFD context help.

proto/bfd/config.Y

@@ -130,6 +130,7 @@ bfd_neighbor: ipa bfd_neigh_iface bfd_neigh_local bfd_neigh_multihop
 };
 
 
+CF_CLI_HELP(SHOW BFD, ..., [[Show information about BFD protocol]]);
 CF_CLI(SHOW BFD SESSIONS, optsym, [<name>], [[Show information about BFD sessions]])
 { bfd_show_sessions(proto_get_named($4, &proto_bfd)); };