dvbv5-zap.c: fix compile warning

dvbv5-zap.c: In function ‘main’:
dvbv5-zap.c:1055:16: warning: assignment discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
  args.dvr_pipe = default_dvr_pipe;
                ^

Just drop const from default_dvr_pipe.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

utils/dvb/dvbv5-zap.c

@@ -1017,7 +1017,7 @@ static void set_signals(struct arguments *args)
 	}
 }
 
-const static char *default_dvr_pipe = "/tmp/dvr-pipe";
+static char *default_dvr_pipe = "/tmp/dvr-pipe";
 
 int main(int argc, char **argv)
 {