Update to libgit2 a051ee3
Update to libgit2 a051ee3

libgit2/git2go,clns/git2go,libgit2/git2go,ezwiebel/git2go,libgit2/git2go,clns/git2go,ezwiebel/git2go,ezwiebel/git2go,pks-t/git2go,pks-t/git2go,clns/git2go