net: ethernet: chelsiofix: spelling typo of 'rewriteing'

rewriteing -> rewriting
Signed-off-by: Wang Qing <wangqing@vivo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c

@@ -979,7 +979,7 @@ void clear_filter(struct adapter *adap, struct filter_entry *f)
 {
 	struct port_info *pi = netdev_priv(f->dev);
 
-	/* If the new or old filter have loopback rewriteing rules then we'll
+	/* If the new or old filter have loopback rewriting rules then we'll
 	 * need to free any existing L2T, SMT, CLIP entries of filter
 	 * rule.
 	 */