[rancid] set password ENC

[heasley]

Tue, Mar 15, 2016 at 05:35:10PM +0000, Nick Hilliard:
> heasley wrote:
> > meaning that the password has not changed but the encrypted string
> > changes repeatedly?
> 
> yeah, fortios does this.  So does Adtran AOS.  Apparently this is a
> "feature".
> 
> Nick

now i realize that someone wanted those saved, regardless of the cycling.
i suppose rancid does need an option separate from FILTER_PWDS to save
cycling passwords, as someone ask about last week.