Bump libgit2 to c7c5f2c4ec
Bump libgit2 to c7c5f2c4ec

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