lib

reference when the second attribute with the same name is encountered.

Apparently, it is possible to have zero or even more than one physical
device as "Dedicated Hot-Spare", as documented in [1].  Maybe this is
the only attribute that can have multiple occurances.  This modification
now records multiple occurances as an array reference.

* [1] https://github.com/kumy/Parse-Arcconf/issues/4