regsvr32: Add Unicode support (try 7)

[Frédéric Delanoy]

On Fri, Jul 4, 2014 at 2:51 PM, Hugh McMaster <hugh.mcmaster at outlook.com> wrote:
> Changelog: Convert programs/regsvr32/regsvr32.c to Unicode (try 7).
>
> This version removes the MultiByteToWideChar calls from version six and instead makes use of a modified resource string. All non-relevant changes have been removed from this version.
>
> If you would like me to modify all of the po files, I am happy to do so. Just let me know. :)

The po file changes are auto-generated, so no need to include them in
the patch (as anything auto-generated).

Frédéric