pushV2Image() calls TarLayer() which returns an archive. One needs to
Close() the archive once done otherwise it will leave mounted devices
if devicemapper graph driver is being used.
Signed-off-by: Derek McGowan <derek@mcgstyle.net>
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Upstream-commit: 064ff42d6d34b9c92e634f30ac1549d9786ab26f
Component: engine