Fixes gcc '-Wunused-but-set-variable' warning:
drivers/net/ethernet/socionext/netsec.c: In function 'netsec_clean_tx_dring':
drivers/net/ethernet/socionext/netsec.c:637:15: warning:
 variable 'pkts' set but not used [-Wunused-but-set-variable]
It is not used since commit 
ba2b232108d3 ("net: netsec: add XDP support")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
 static bool netsec_clean_tx_dring(struct netsec_priv *priv)
 {
        struct netsec_desc_ring *dring = &priv->desc_ring[NETSEC_RING_TX];
-       unsigned int pkts, bytes;
        struct netsec_de *entry;
        int tail = dring->tail;
+       unsigned int bytes;
        int cnt = 0;
 
        if (dring->is_xdp)
                spin_lock(&dring->lock);
 
-       pkts = 0;
        bytes = 0;
        entry = dring->vaddr + DESC_SZ * tail;