[Cooker] Please, add back ru_RU.KOI8-R to locales-ru in cooker

[Andrej Borsenkow]

I already mentioned it. The above locale disappeared from Russian locales in
cooker. That can be very bad surprise for anybody upgrading from earlier
versions (it was for me). Many people expect this one to exist.

-andrej

Have a nice DOS!
B >>