Unbreak cron.file
Unbreak cron.file

An extra argument (skip_verify) was recently added to get_managed(),
resulting in this error:

  Unable to manage file: get_managed() takes exactly 11 arguments (10 given)

Also eliminate a variable that can remain uninitialized when running
`salt-call`

saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt