[issue24838] tarfile.py: fix GNU and USTAR formats to properly handle paths with special characters that are encoded with more than one byte each

[Serhiy Storchaka]

Changes by Serhiy Storchaka <storchaka at gmail.com>:


----------
nosy: +serhiy.storchaka

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue24838>
_______________________________________