call out the IteratorError in Iterator.GetError godoc
call out the IteratorError in Iterator.GetError godoc

elijahandrews/levigo,influxdb/rocksdb,influxdb/levigo,influxdata/rocksdb,DanielMorsing/rocksdb,jmhodges/levigo,chanxuehong/goleveldb,dckit/rocksdb,influxdb/hyperleveldb-go,influxdata/hyperleveldb-go,evanphx/levigo,jmhodges/levigo_leveldb_1.4,alberts/gorocks,mikefaille/rocksdb-go