std.Progress: use `*W` functions on windows

Closes #534.
See: https://source.winehq.org/git/wine.git/blob/refs/heads/stable:/dlls/kernelbase/console.c#l520
4a3ac16711viri committed on 6/10/2021, 5:19:37 PM· committed by Andrew Kelleyparent51076f4
3 files changedLine totals unavailable