[patch] commit timestamp incorrectly cast if specified

[Jamie Wilkinson]

This one time, at band camp, Denys Duchier wrote:
>John A Meinel <john at arbash-meinel.com> writes:
>
>> I agree. I'm not sure why we would have used long(), maybe it makes the
>> test suite easier to run.
>
>Hashcache uses int(time.time()) to loose precision on purpose so that timestamps
>can be (more) safely distinguished.  If there was a similar reason at work here,
>then the "else:" should be removed.

FWIW, I'd like my test and fix merged, if only to make sure that when it
does get changed, the test already exists.