dirty_writeback_centisecs_handler() cleanup

Repair indenting bustage.
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

mm/page-writeback.c

@@ -479,12 +479,10 @@ int dirty_writeback_centisecs_handler(ctl_table *table, int write,
 	struct file *file, void __user *buffer, size_t *length, loff_t *ppos)
 {
 	proc_dointvec_userhz_jiffies(table, write, file, buffer, length, ppos);
-	if (dirty_writeback_interval) {
-		mod_timer(&wb_timer,
-			jiffies + dirty_writeback_interval);
-		} else {
+	if (dirty_writeback_interval)
+		mod_timer(&wb_timer, jiffies + dirty_writeback_interval);
+	else
 		del_timer(&wb_timer);
-	}
 	return 0;
 }