Merge pull request #6228 from zhouyuan/fix_rgw_delete_exipre

rgw: fix response of delete expired objects

Reviewed-by: Yehuda Sadeh <yehuda@redhat.com>

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

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

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