V4L/DVB (5251): Qt1010: fix compiler warning

In function 'qt1010_init':

Signed-off-by: Marco Schluessler <marco@lordzodiac.de>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/dvb/frontends/qt1010.c b/drivers/media/dvb/frontends/qt1010.c
index c3408dc..28406b3 100644
--- a/drivers/media/dvb/frontends/qt1010.c
+++ b/drivers/media/dvb/frontends/qt1010.c
@@ -312,7 +312,7 @@
 {
 	struct qt1010_priv *priv = fe->tuner_priv;
 	struct dvb_frontend_parameters params;
-	int err;
+	int err = 0;
 	u8 i, tmpval, *valptr = NULL;
 
 	qt1010_i2c_oper_t i2c_data[] = {