[Bug 54149] shlwapi:ordinal - test_SHFormatDateTimeA() fails on the mixed locales configuration

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=54149

--- Comment #3 from Alexandre Julliard  ---
(In reply to François Gouget from comment #2)
> I did not find a way to have GetDateFormatA() use the code page we need: I
> tried all the LOCALE_XXX constants, GetUserDefaultLCID() and
> GetThreadLocale(). But in fact that attempt was  doomed from the start: for
> GetDateFormatA() the language and the encoding are tied so the only cases
> where it produces the French string we need are when it uses the 1252 French
> code page.

Wine supports LOCALE_USE_CP_ACP here. I haven't verified that Windows does as
well, but according to MSDN it should.