fixed computeMultiByteLength
Merge branch 'master' of https://github.com/napina/fileos
Revert "fixed computeMultiByteLength"

This reverts commit 0815ee9d257f1c756bdfe84aae114f37cea2b292.
Revert "Revert "fixed computeMultiByteLength""

This reverts commit f5017841cde5d22b59d7a4cb8b5b7d8c4f8ce8b3.