vendor: Update github.com/syndtr/goleveldb

vendor/github.com/syndtr/goleveldb/leveldb/session.go

@@ -18,7 +18,8 @@ import (
 	"github.com/syndtr/goleveldb/leveldb/storage"
 )
 
-// ErrManifestCorrupted records manifest corruption.
+// ErrManifestCorrupted records manifest corruption. This error will be
+// wrapped with errors.ErrCorrupted.
 type ErrManifestCorrupted struct {
 	Field  string
 	Reason string
@@ -42,10 +43,11 @@ type session struct {
 	stSeqNum         uint64 // last mem compacted seq; need external synchronization
 
 	stor     storage.Storage
-	storLock storage.Lock
+	storLock storage.Locker
 	o        *cachedOptions
 	icmp     *iComparer
 	tops     *tOps
+	fileRef  map[int64]int
 
 	manifest       *journal.Writer
 	manifestWriter storage.Writer
@@ -68,6 +70,7 @@ func newSession(stor storage.Storage, o *opt.Options) (s *session, err error) {
 	s = &session{
 		stor:     stor,
 		storLock: storLock,
+		fileRef:  make(map[int64]int),
 	}
 	s.setOptions(o)
 	s.tops = newTableOps(s)
@@ -92,7 +95,7 @@ func (s *session) close() {
 
 // Release session lock.
 func (s *session) release() {
-	s.storLock.Release()
+	s.storLock.Unlock()
 }
 
 // Create a new database session; need external synchronization.