This update for git fixes the following issues:

- git 2.12.3:
* CVE-2017-8386: Fix git-shell not to escape with the starting dash name
(bsc#1038395)
* Fix for potential segv introduced in v2.11.0 and later
* Misc fixes and cleanups.
- git 2.12.2:
* CLI output fixes
* "Dump http" transport fixes
* various fixes for internal code paths
* Trailer "Cc:" RFC fix
- git 2.12.1:
* Reduce authentication round-trip over HTTP when the server
supports just a single authentication method.
* "git add -i" patch subcommand fixed to have a path selection
* various path verification fixes
* fix "git log -L..." buffer overrun

This update was imported from the SUSE:SLE-12:Update update project.