http://bugs.winehq.org/show_bug.cgi?id=23124
--- Comment #15 from Ken Sharp kennybobs@o2.co.uk 2012-06-14 12:49:31 CDT --- Indeed I see the same thing. A .mo file is created so the compilation seems happy with it but the translations are not read.
Is there a debug channel that can be snooped to see what's going on?