ceph/ceph — pull request #1322 by jdurgin (2014-02-26 22:02:50+00:00)
Title: librados: fix ObjectIterator::operator= for the end iterator

We can't set a shared_ptr to NULL, we need to reset it instead. Add another
test for various permutations of this.

Fixes: #7538
Signed-off-by: Josh Durgin