Fix the following coccicheck warning:
drivers/net/ethernet/netronome/nfp/nfp_net_common.c:3434:8-48: WARNING
avoid newline at end of message in NL_SET_ERR_MSG_MOD
Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 
                if (xsk_pool_get_rx_frame_size(dp->xsk_pools[r]) < xsk_min_fl_bufsz) {
                        NL_SET_ERR_MSG_MOD(extack,
-                                          "XSK buffer pool chunk size too small\n");
+                                          "XSK buffer pool chunk size too small");
                        return -EINVAL;
                }
        }