Merge pull request #9354 from dreamhost/wip-15975

rgw: Fallback to Host header for bucket name.
Reviewed-by: Orit Wasserman <owasserm@redhat.com>

diff --cc src/rgw/rgw_rest.cc
Simple merge

diff --cc src/rgw/rgw_rest.h
Simple merge

diff --cc src/rgw/rgw_rest_s3.h
Simple merge