[perl #60868] [].min and [].max think +Inf and -Inf (respectively) are spelled "undef"

[Patrick R. Michaud via RT]

On Sun Dec 21 08:26:41 2008, cspencer wrote:
> The attached patch fixes the issues below.  min/max on an empty list
> should now return Inf/-Inf respectively.

Applied in r34214, thanks!

Pm