reg: Implement binary data add operation

[Alexandre Julliard]

Thomas Faller <tfaller1 at gmx.de> writes:

> No, i don't know an app which needs this.
> But this special case is noticed in the reg.exe tests, so I decided to
> implement the version check.

You shouldn't do a version check. Simply implement the new behavior
since the old one is already marked as broken.

-- 
Alexandre Julliard
julliard at winehq.org