Merge branch 'ps/pathspec-empty-prefix-origin'

A recent update broke "git add -p ../foo" from a subdirectory. * ps/pathspec-empty-prefix-origin: pathspec: honor `PATHSPEC_PREFIX_ORIGIN` with empty prefix

Junio C Hamano committed Apr 26, 2017 at 15:39 UTC 44427a0c18c0179be72223650715f031a10a5e66

No changes.