[mythtvnz] Automatic database backup

[Paulgir]

Hi folks

When I first set up Mythtv I configured mythconverg_backup.pl to do a  
backup at 6 pm each day.

It has been reliably doing this.I can't remember how I did this.I am  
fairly sure I did not create a cronjob for this.

crontab -l does not show anything and I seem to remember that I set this  
in mythtv setup (I could be wrong).

Any ideas how I might have done this? Mythtv 0.25.