V4L/DVB: dvb-usb/opera1: misplaced parenthesis

The parenthesis was misplaced, tmp is set to 0 or break occurs,
while debugging opera1_usb_i2c_msgxfer() retval was not shown.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
CC: Marco Gittler <g.marco@freenet.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/dvb-usb/opera1.c

@@ -138,7 +138,7 @@ static int opera1_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
 					(msg[i].addr<<1)|(msg[i].flags&I2C_M_RD?0x01:0),
 					msg[i].buf,
 					msg[i].len
-					)!= msg[i].len)) {
+					)) != msg[i].len) {
 			break;
 		}
 		if (dvb_usb_opera1_debug & 0x10)