V4L/DVB (8973): af9013: fix compile error coming from u64 div

- fix compile error coming from u64 div

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/frontends/af9013.c b/drivers/media/dvb/frontends/af9013.c
index 9f2129d..50e1e3f 100644
--- a/drivers/media/dvb/frontends/af9013.c
+++ b/drivers/media/dvb/frontends/af9013.c
@@ -941,7 +941,6 @@
 	u32 error_bit_count = 0;
 	u32 total_bit_count = 0;
 	u32 abort_packet_count = 0;
-	u64 numerator, denominator;
 
 	state->ber = 0;
 
@@ -979,11 +978,8 @@
 	total_bit_count = total_bit_count - abort_packet_count;
 	total_bit_count = total_bit_count * 204 * 8;
 
-	if (total_bit_count) {
-		numerator = error_bit_count * 1000000000;
-		denominator = total_bit_count;
-		state->ber = numerator / denominator;
-	}
+	if (total_bit_count)
+		state->ber = error_bit_count * 1000000000 / total_bit_count;
 
 	state->ucblocks += abort_packet_count;