Log Message:
gnumeric112: Update to 1.12.45

The Gnumeric Team is pleased to announce the availability of Gnumeric
version 1.12.45. This is a bugfix release.

Details of changes by contributor:

Eugen Dedu
    Doc fixes. [Bug 380] [Bug 381] [Bug 382].
Morten
    Add DIGAMMA function.
    Support ISO-8601 UTC date/time input. Mostly. [Bug 371].
    Improve cvs separator guessing. [Bug 397].
    Add export option "active-sheet". [Bug 396].
Thomas Klausner
    Fix compilation issue. [Bug 378].
Thomas Kuehne
    Handle odf files with no styles whatsoever. [Bug 389].
    Improve Excel standalone-xml import. [Bug 391].