Unicode USB strings conversion

[Nick Hibma]

> Or you could try to search for a better language ID. Currently the USB
> stack (old and new) selects the first language ID in the language string.
> Probably there is an english language ID, but not as the first selection.

The first part of the string is correct, so I assume that they added some 
strange characters (like copyright) at the end. Besides, even in the 
English character set there might be strange characters, for example 
scandinavian characters in names.

Nick