Fix match in fabric_doc_open_revs reply
Fix match in fabric_doc_open_revs reply

Message handler in fabric_doc_open_revs returns tagged with 'ok'
list of the replies and not expected {ok, Reply} tuple. This makes
reply to go through 'Else' clause and skip filter_reply function.

fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb