fix missing metadata after backup-restore use object's non-updated metadata during restore, because it doesn't have an updated one yet
fix missing metadata after backup-restore
use object's non-updated metadata during restore, because it doesn't have an updated one yet

yangchengjian/riak,laurenrother/riak,basho/riak_search,wwezhuimeng/riak_search,xuejianhai/riak,planobe/riak,glickbot/riak,biddyweb/riak,basho/riak_search,elkingtonmcb/riak,basho/riak,xuejianhai/riak_search,xuejianhai/riak_search,amyvmiwei/riak,GabrielNicolasAvellaneda/riak,wwezhuimeng/riak_search,planobe/riak,authbox-lib/riak,DavidAlphaFox/riak