__rte_mbuf_raw_free and __rte_pktmbuf_prefree_seg have been deprecated for
a long time now (early 17.05), are not part of the abi and are easily
replaced with existing api.
Signed-off-by: David Marchand <david.marchand@6wind.com>
Acked-by: Andrew Rybchenko <arybchenko@solarflare.com>