Fix xcopy so output is either unicode (console) or oem (file)

[Dmitry Timoshkov]

"Kirill K. Smirnov" <lich at math.spbu.ru> wrote:

> A question: what make you think that WriteConsole uses current console output 
> code page to translate strings?

The written strings in 866 and 1251 code pages are only readable
when output console code page matches the string encoding.

-- 
Dmitry.