ceph-object-corpus: update for dropping compat with pre-luminous messages

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/ceph-object-corpus b/ceph-object-corpus
index f0ba19f9d8792d308b3d2f746cff85436f87c4ae..0e0f03b533ae296deb7dc7e995c9f8515927c7dd 160000 (submodule)
--- a/ceph-object-corpus
+++ b/ceph-object-corpus
@@ -1 +1 @@
-Subproject commit f0ba19f9d8792d308b3d2f746cff85436f87c4ae
+Subproject commit 0e0f03b533ae296deb7dc7e995c9f8515927c7dd