GoXDCR: Missing att_reason field for non json documents on capi es replication

3.0.3
{
"_index": "index2",
"_type": "couchbaseDocument",
"_id": "foo",
"_version": 1,
"_score": 1,
"_source": {
"doc": { },
"meta":

{ "id": "foo", "rev": "1-000613da5b010ce355808bd000000000", "att_reason": "invalid_json", "expiration": 0, "flags": 0 }

}
}

sherlock
{
"_index": "default",
"_type": "couchbaseDocument",
"_id": "foo",
"_version": 2,
"_score": 1,
"_source": {
"doc": { },
"meta":

{ "deleted": false, "expiration": 0, "flags": 0, "id": "foo", "rev": "2-00000000000000000000000000000000" }

}
}