archive: add missing bytes package

Docker-DCO-1.1-Signed-off-by: Johan Euphrosine <proppy@google.com> (github: proppy)

archive/archive.go

@@ -2,6 +2,7 @@ package archive
 
 import (
 	"bufio"
+	"bytes"
 	"compress/bzip2"
 	"compress/gzip"
 	"errors"