Julian Elischer 4871fc4ab5 Finally change the mbuf to have its own fib field instead of stealing
4 flag bits. This was supposed to happen in 8.0, and again in 2012..

MFC after:	never
2013-05-16 16:20:17 +00:00
..
2013-04-30 18:33:29 +00:00
2012-11-10 14:56:35 +00:00