http://bugs.winehq.org/show_bug.cgi?id=25717
--- Comment #65 from Rafał Mużyło galtgendo@o2.pl 2011-07-22 16:55:32 CDT --- Apparently, "uninitialized" here meant "zero-initialized", as if I set 'args.x = 0;' (which was what most likely my hack-fix did), glyphs are are displayed correctly.