[media] si2168: remove unneeded fw variable initialization

commit 034e1ec0
si2168: One function call less in si2168_init() after error detection

That commit added goto label for error path to release firmware,
but forgets to remove variable NULL set. Remove those now.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/dvb-frontends/si2168.c

@@ -346,7 +346,7 @@ static int si2168_init(struct dvb_frontend *fe)
 	struct i2c_client *client = fe->demodulator_priv;
 	struct si2168_dev *dev = i2c_get_clientdata(client);
 	int ret, len, remaining;
-	const struct firmware *fw = NULL;
+	const struct firmware *fw;
 	u8 *fw_file;
 	struct si2168_cmd cmd;
 	unsigned int chip_id;
@@ -483,7 +483,6 @@ static int si2168_init(struct dvb_frontend *fe)
 	}
 
 	release_firmware(fw);
-	fw = NULL;
 
 	memcpy(cmd.args, "\x01\x01", 2);
 	cmd.wlen = 2;