Move chunkerBufSize to more appropiate location

archiver.go

@@ -12,7 +12,6 @@ import (
 
 	"github.com/juju/arrar"
 	"github.com/restic/restic/backend"
-	"github.com/restic/restic/chunker"
 	"github.com/restic/restic/debug"
 	"github.com/restic/restic/pack"
 	"github.com/restic/restic/pipe"
@@ -23,8 +22,6 @@ const (
 	maxConcurrentBlobs    = 32
 	maxConcurrency        = 10
 	maxConcurrencyPreload = 20
-
-	chunkerBufSize = 512 * chunker.KiB
 )
 
 var archiverAbortOnAllErrors = func(str string, fi os.FileInfo, err error) error { return err }

pools.go

@@ -21,7 +21,10 @@ type poolStats struct {
 	max int
 }
 
-const maxCiphertextSize = crypto.Extension + chunker.MaxSize
+const (
+	maxCiphertextSize = crypto.Extension + chunker.MaxSize
+	chunkerBufSize    = 512 * chunker.KiB
+)
 
 func (s *poolStats) Get(k string) {
 	s.m.Lock()