[packages/git-core] Non-fast-forward update to branch master

[draenog]

The branch 'master' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch.

Commits removed from the branch:

  e163539... fix for git-svn fetching from svn servers that use serf lib

Commits added to the branch:

  c64c444... fix git-svn fetching from svn servers that use serf library