pkt_sched: sch_htb: Remove L2T()

L2T() is currently used only in one place (and has one spurious
parameter, btw), so let's: 'get rid of L2T completely, and just
use "qdisc_l2t(rate, size)" directly.' - quote & feedback from
David S. Miller.
Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/sched/sch_htb.c

@@ -125,13 +125,6 @@ struct htb_class {
 	psched_time_t t_c;	/* checkpoint time */
 };
 
-static inline long L2T(struct htb_class *cl, struct qdisc_rate_table *rate,
-			   int size)
-{
-	long result = qdisc_l2t(rate, size);
-	return result;
-}
-
 struct htb_sched {
 	struct Qdisc_class_hash clhash;
 	struct list_head drops[TC_HTB_NUMPRIO];/* active leaves (for drops) */
@@ -604,7 +597,7 @@ static void htb_charge_class(struct htb_sched *q, struct htb_class *cl,
 
 #define HTB_ACCNT(T,B,R) toks = diff + cl->T; \
 	if (toks > cl->B) toks = cl->B; \
-	toks -= L2T(cl, cl->R, bytes); \
+	toks -= (long) qdisc_l2t(cl->R, bytes); \
 	if (toks <= -cl->mbuffer) toks = 1-cl->mbuffer; \
 	cl->T = toks