Previously, getWalkRoot("/", "foo") would return "//foo"
Now it returns "/foo"
Signed-off-by: Tibor Vass <tibor@docker.com>
(cherry picked from commit 7410f1a859063d4ed3d8fca44f27bdde4c2cb5a3)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Upstream-commit: 8677bbe3f31a8e4516e1ba413ce1063c803ea10c
Component: engine