gpn_free_txid
case GPN_ACK14: gpn_free_txid(sc, agd->agd_txids[13]); /* FALLTHROUGH */
case GPN_ACK13: gpn_free_txid(sc, agd->agd_txids[12]); /* FALLTHROUGH */
case GPN_ACK12: gpn_free_txid(sc, agd->agd_txids[11]); /* FALLTHROUGH */
case GPN_ACK11: gpn_free_txid(sc, agd->agd_txids[10]); /* FALLTHROUGH */
case GPN_ACK10: gpn_free_txid(sc, agd->agd_txids[9]); /* FALLTHROUGH */
case GPN_ACK9: gpn_free_txid(sc, agd->agd_txids[8]); /* FALLTHROUGH */
case GPN_ACK8: gpn_free_txid(sc, agd->agd_txids[7]); /* FALLTHROUGH */
case GPN_ACK7: gpn_free_txid(sc, agd->agd_txids[6]); /* FALLTHROUGH */
case GPN_ACK6: gpn_free_txid(sc, agd->agd_txids[5]); /* FALLTHROUGH */
case GPN_ACK5: gpn_free_txid(sc, agd->agd_txids[4]); /* FALLTHROUGH */
case GPN_ACK4: gpn_free_txid(sc, agd->agd_txids[3]); /* FALLTHROUGH */
case GPN_ACK3: gpn_free_txid(sc, agd->agd_txids[2]); /* FALLTHROUGH */
case GPN_ACK2: gpn_free_txid(sc, agd->agd_txids[1]); /* FALLTHROUGH */
case GPN_ACK1: gpn_free_txid(sc, agd->agd_txids[0]); break;