V4L/DVB (9474): cx18: Remove redundant block scope variable in cx18_probe() for sparse

cx18: Remove redundant block scope variable in cx18_probe() to eliminate sparse
build warning.

Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c
index 7874d97..d7879fb 100644
--- a/drivers/media/video/cx18/cx18-driver.c
+++ b/drivers/media/video/cx18/cx18-driver.c
@@ -739,8 +739,6 @@
 		cx->std = V4L2_STD_NTSC_M;
 
 	if (cx->options.tuner == -1) {
-		int i;
-
 		for (i = 0; i < CX18_CARD_MAX_TUNERS; i++) {
 			if ((cx->std & cx->card->tuners[i].std) == 0)
 				continue;