[SCM] Manipulate 64 bits integers in Perl tag, upstream/0.26, created. 5660effc5799063a8b95788a2c99be13017ad13a

[Dmitry E. Oboukhov]

The tag, upstream/0.26 has been created
        at  5660effc5799063a8b95788a2c99be13017ad13a (commit)

- Shortlog ------------------------------------------------------------
commit 5660effc5799063a8b95788a2c99be13017ad13a
Author: Dmitry E. Oboukhov <unera at debian.org>
Date:   Thu Jul 12 16:07:32 2012 +0400

    Import original source of Math-Int64 0.26
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Manipulate 64 bits integers in Perl