skge: add paren around sizeof arg

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/marvell/skge.c

@@ -3516,7 +3516,7 @@ static const char *skge_board_name(const struct skge_hw *hw)
 		if (skge_chips[i].id == hw->chip_id)
 			return skge_chips[i].name;
 
-	snprintf(buf, sizeof buf, "chipid 0x%x", hw->chip_id);
+	snprintf(buf, sizeof(buf), "chipid 0x%x", hw->chip_id);
 	return buf;
 }