This is possible now that we no longer support go1.12 and brings
rclone into line with standard practices in the Go world.
This also removes errors.New and errors.Errorf from lib/errors and
prefers the stdlib errors package over lib/errors.
Before this change we passed both lpOverlapped and lpBytesReturned as NULL.
> If lpOverlapped is NULL, lpBytesReturned cannot be NULL. Even when
> an operation produces no output data, and lpOutBuffer can be NULL,
> the DeviceIoControl function makes use of the variable pointed to by
> lpBytesReturned. After such an operation, the value of the variable
> is without meaning.
After this change we set lpBytesReturned to a valid pointer.
See: https://forum.rclone.org/t/errors-when-downloading-any-file-over-250mb-from-google-drive-windows-sparse-files/16889