Title: #801: data_provider_be: fixed dereferencing of 'bad' ptr
In case of failed `dp_req_recv_ptr()` in `be_check_online_done()`
function, `reply` ptr was not initialized and its dereferencing
was a bug.
To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/801/head:pr801
git checkout pr801