Fixed description of metadata file format to list just one pcap file.

Now that all RTP streams for a call go to the same PCAP file, we don't need a
list of multiple PCAP files. We still separate it from the timestamps by an
extra newline.

README.md

@@ -472,10 +472,7 @@ The options are described in more detail below.
 
 	The format for a metadata file is (with a trailing newline):
 
-		/path/to/rec-pcap01.pcap
+		/path/to/recording-pcap.pcap
-		/path/to/rec-pcap02.pcap
-		...
-		/path/to/rec-pcap0n.pcap
 
 		start timestamp (YYYY-MM-DDThh:mm:ss)
 		end timestamp   (YYYY-MM-DDThh:mm:ss)

daemon/recording.h

@@ -37,10 +37,7 @@ void recording_fs_init(char *spooldir);
  *
  * Metadata file format is (with trailing newline):
  *
- *     /path/to/rec-pcap01.pcap
+ *     /path/to/recording-pcap.pcap
- *     /path/to/rec-pcap02.pcap
- *     ...
- *     /path/to/rec-pcap0n.pcap
  *
  *     start timestamp (YYYY-MM-DDThh:mm:ss)
  *     end timestamp   (YYYY-MM-DDThh:mm:ss)