V4L/DVB: ngene: Remove kernel version check for dvb_[un]register_adapter

Remove kernel version check for dvb_[un]register_adapter.
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

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

@@ -2466,7 +2466,7 @@ static void release_channel(struct ngene_channel *chan)
 static int init_channel(struct ngene_channel *chan)
 {
 	int ret = 0, nr = chan->number;
-	struct dvb_adapter *adapter = 0;
+	struct dvb_adapter *adapter = NULL;
 	struct dvb_demux *dvbdemux = &chan->demux;
 	struct ngene *dev = chan->dev;
 	struct ngene_info *ni = dev->card_info;