ZipFileHeader fileds overlap compiler warning

[LevWi]

https://github.com/wdas/partio/blob/7cb3743c6e19c04ac049c05f8f81af2f24410ea3/src/lib/io/ZIP.cpp#L166

Hello! These variables are overlap ZipFileHeader fields with same name. Should ZipFileHeader::Read method use version,flags fields or local variables? If local variables need maybe better to rename these