Refactoring in Docker 1.7 changed the behavior to add this header where as Docker <= 1.6 wouldn't emit this Header on a HTTP 302 redirect.
This closes#13649
Signed-off-by: Jeffrey van Gogh <jvg@google.com>
Upstream-commit: 65c5105fcca76c34335f689336a663c78786fd9c
Component: engine