ntdll: Return the UI language id in uppercase.

This fixes a failure in kernel32:locale. Signed-off-by: Francois Gouget <fgouget@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

ntdll: Return the UI language id in uppercase.
a83eea9b · Francois Gouget · Alexandre Julliard · 00dfa1bd · a83eea9b
Commit a83eea9b authored Mar 23, 2022 by Francois Gouget Committed by Alexandre Julliard Mar 23, 2022
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locale.c dlls/ntdll/locale.c +1 -1

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--- a/dlls/ntdll/locale.c
+++ b/dlls/ntdll/locale.c
@@ -627,7 +627,7 @@ static NTSTATUS get_dummy_preferred_ui_language( DWORD flags, LANGID lang, ULONG

    FIXME("(0x%x %p %p %p) returning a dummy value (current locale)\n", flags, count, buffer, size);

-    if (flags & MUI_LANGUAGE_ID) swprintf( name, ARRAY_SIZE(name), L"%04lx", lang );
+    if (flags & MUI_LANGUAGE_ID) swprintf( name, ARRAY_SIZE(name), L"%04lX", lang );
    else
    {
        UNICODE_STRING str;