ZipWriter.writeEndOfCentralDirectory

private

void writeEndOfCentralDirectory(ulong  cdOffset,  ulong  cdSize,
          bool  zip64)

Write the regular End of Central Directory record.

When zip64 is true, entry counts and offsets are written with sentinel values (0xFFFF / 0xFFFFFFFF) pointing readers to the ZIP64 structures.

`cdOffset`	Byte offset of the central directory.
`cdSize`	Total size of the central directory in bytes.
`zip64`	Whether ZIP64 EOCD was also written.