V4L/DVB (5857): Use msecs_to_jiffies instead of HZ on radio drivers

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/radio/radio-cadet.c b/drivers/media/radio/radio-cadet.c
index 8cf2e9d..34e317c 100644
--- a/drivers/media/radio/radio-cadet.c
+++ b/drivers/media/radio/radio-cadet.c
@@ -329,7 +329,7 @@
 	init_timer(&readtimer);
 	readtimer.function=cadet_handler;
 	readtimer.data=(unsigned long)0;
-	readtimer.expires=jiffies+(HZ/20);
+	readtimer.expires=jiffies+msecs_to_jiffies(50);
 	add_timer(&readtimer);
 }
 
@@ -349,7 +349,7 @@
 		init_timer(&readtimer);
 		readtimer.function=cadet_handler;
 		readtimer.data=(unsigned long)0;
-		readtimer.expires=jiffies+(HZ/20);
+		readtimer.expires=jiffies+msecs_to_jiffies(50);
 		add_timer(&readtimer);
 	}
 	if(rdsin==rdsout) {