[Mageia-dev] Freeze push: git

[David Walser]

This updates to 1.8.1.2, a bugfix release (as was 1.8.1.1).

https://raw.github.com/git/git/master/Documentation/RelNotes/1.8.1.1.txt
https://raw.github.com/git/git/master/Documentation/RelNotes/1.8.1.2.txt

I've verified that it builds in Cauldron.