system-tools-backends and message encoding

[Theppitak Karoonboonyanan <theppitak gmail com>]

Hello,

I found some problem while translating system-tools-backends, which made me
hesitate to commit.

The problem is that the encoding of the translated strings seems to be that of
current locale, while GTK+ widgets always assume UTF-8.  This makes the
translated messages appear as junk, unless a UTF-8 locale is selected.
This doesn't occur with GTK+ apps in general.

How could we solve this problem?

Thanks,
-Thep.