Fix display of the root location in the oldest changeset, for the scoped repository case.
Fix display of the root location in the oldest changeset, for the scoped repository case.

git-svn-id: eda3d06fcef731589ace1b284159cead3416df9b@6332 af82e41b-90c4-0310-8c96-b1721e28e2e2

jun66j5/trac-ja,walty8/trac,netjunki/trac-Pygit2,netjunki/trac-Pygit2,jun66j5/trac-ja,walty8/trac,jun66j5/trac-ja,netjunki/trac-Pygit2,walty8/trac,jun66j5/trac-ja,walty8/trac