The function rte_eth_tx_done_cleanup() was missing in the map file
so it cannot be used by applications linking to shared libraries.
pktgen uses it since version 3.2.0.
Fixes: 44a718c457b5 ("ethdev: add API to free consumed buffers in Tx ring") Cc: stable@dpdk.org Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>