Updating git binaries to version 1.9.5 preview 20141217.

This one contains security vulnerability fix CVE-2014-9390. More info: https://github.com/msysgit/msysgit/releases/tag/Git-1.9.5-preview20141217
Merge pull request #6 from Icenium/ligaz/fix-git-vulnerability

Updating git binaries to version 1.9.5 preview 20141217.