bup-cron: rename the parameters to use the same ones than bup
bup-cron: rename the parameters to use the same ones than bup

This make the script easier to call from the comman-line.

Signed-off-by: Patrick Rouleau <63d5de1631bda7ef519bef8dad039f592a2f1542@gmail.com>

anarcat/bup-cron,blueyed/bup-cron,anarcat/bup-cron,blueyed/bup-cron