Updated openstack/openstack
Project: openstack/swift  686469442e43831e158ce20481a1b1f8b4a36697
null
fix gatekeeper response headers behavior

removes @wsgify decorator
changes code to a more traditional way of messing with response headers

Change-Id: I13ce7f98bae48eb0b990a64aa6f3d63ff8d13bf5
Closes-Bug: 1285392