media: staging/media/av7110/av7110: Fix typo in string

Remove the repeated ',' from string
Signed-off-by: Li zeming <zeming@nfschina.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/staging/media/av7110/av7110_av.c

@@ -106,7 +106,7 @@ int av7110_av_start_record(struct av7110 *av7110, int av,
 	int ret = 0;
 	struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
 
-	dprintk(2, "av7110:%p, , dvb_demux_feed:%p\n", av7110, dvbdmxfeed);
+	dprintk(2, "av7110:%p, dvb_demux_feed:%p\n", av7110, dvbdmxfeed);
 
 	if (av7110->playing || (av7110->rec_mode & av))
 		return -EBUSY;