V4L/DVB (8990): S2API: DVB-S/S2 voltage selection bug fix

Thanks to Hans Werner for finding the problem.
Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

Documentation/video4linux/CARDLIST.cx88

@@ -68,3 +68,4 @@
  67 -> Kworld PlusTV HD PCI 120 (ATSC 120)                 [17de:08c1]
  68 -> Hauppauge WinTV-HVR4000 DVB-S/S2/T/Hybrid           [0070:6900,0070:6904,0070:6902]
  69 -> Hauppauge WinTV-HVR4000(Lite) DVB-S/S2              [0070:6905,0070:6906]
+ 70 -> TeVii S460 DVB-S/S2                                 [D460:9022]

drivers/media/dvb/dvb-core/dvb_frontend.c

@@ -1290,7 +1290,7 @@ int tv_property_process(struct dvb_frontend *fe, tv_property_t *tvp,
 	case TV_SET_VOLTAGE:
 		fe->tv_property_cache.voltage = tvp->u.data;
 		r = dvb_frontend_ioctl_legacy(inode, file, FE_SET_VOLTAGE,
-			&fe->tv_property_cache.voltage);
+			(void *)fe->tv_property_cache.voltage);
 		break;
 	case TV_GET_VOLTAGE:
 		tvp->u.data = fe->tv_property_cache.voltage;