Encoding problem of 'packaging/win32/gnucash.iss.in' in r19204

[Tao Wang]

Hi,

I filed a bug in bugzilla about upgrading Inno Setup to 5.3.x,
https://bugzilla.gnome.org/show_bug.cgi?id=619709,

And I created a patch to do that. the patch also convert necessary
files to utf-8, and it also fixed the encoding problem about changeset
r18718 which I mentioned earlier.

I tested on my computer, it works for Chinese and looks good for other
languages. Could you have a try to see whether it works correctly for
Latin languages too. Thanks.

-- 
Regards

Tao Wang