[collectd] snmp, replace the space by the _ in filenames when write rrd

[Sergey]

On Sunday 28 November 2021, Sergey wrote:

> IF-MIB::ifDescr.1 = STRING: gigabitethernet 1/0/1
> 
> Can I replace it by the _ ?

b.t.w. As far as I understand replacement the "/" to the "_" is
hardcoded. It's probably good to do the same for the " ".

-- 
Regards,
Sergey