drivers/atm: Adjust confusing if indentation

Indent the branch of an if.

The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r disable braces4@
position p1,p2;
statement S1,S2;
@@

(
if (...) { ... }
|
if (...) S1@p1 S2@p2
)

@script:python@
p1 << r.p1;
p2 << r.p2;
@@

if (p1[0].column == p2[0].column):
  cocci.print_main("branch",p1)
  cocci.print_secs("after",p2)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/atm/iphase.c

@@ -220,7 +220,7 @@ static u16 get_desc (IADEV *dev, struct ia_vcc *iavcc) {
   while (!desc_num || (dev->desc_tbl[desc_num -1]).timestamp) {
      dev->ffL.tcq_rd += 2;
      if (dev->ffL.tcq_rd > dev->ffL.tcq_ed) 
-     dev->ffL.tcq_rd = dev->ffL.tcq_st;
+	dev->ffL.tcq_rd = dev->ffL.tcq_st;
      if (dev->ffL.tcq_rd == dev->host_tcq_wr) 
         return 0xFFFF; 
      desc_num = *(u_short *)(dev->seg_ram + dev->ffL.tcq_rd);