Use of the time_before() macro, defined at linux/jiffies.h, which deal
with wrapping correctly and are nicer to read.

Signed-off-by: Marcelo Feitoza Parisi <marcelo@feitoza.com.br>

--- linux/drivers/media/dvb/frontends/tda8083.c	2005-06-17 16:48:29.000000000 -0300
+++ linux-kj/drivers/media/dvb/frontends/tda8083.c	2005-07-15 21:41:35.441220328 -0300
@@ -30,6 +30,7 @@
 #include <linux/moduleparam.h>
 #include <linux/string.h>
 #include <linux/slab.h>
+#include <linux/jiffies.h>
 #include "dvb_frontend.h"
 #include "tda8083.h"
 
@@ -172,7 +173,7 @@
 {
 	unsigned long start = jiffies;
 
-	while (jiffies - start < timeout &&
+	while (time_before(jiffies, start + timeout) &&
                !(tda8083_readreg(state, 0x02) & 0x80))
 	{
 		msleep(50);