Currently, the rottlog service in %base-services creates old rotated logs that are named like "messages.1", "messages.2", etc.
However, these files are compressed with gzip, and gzip refuses to decompress them until you add '.gz' to the end of the filenames. I think this should be happening by default but for some reason is not. rottlog-configuration uses as the default configuration (file-append rottlog "/etc/rc"), and that file does call for this extension to be added...
