We can't return the unicode string size, this returns sizes to small for multi-byte characters.
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=54295
-- v10: userenv: Fix GetProfilesDirectoryA return value kernel32: Rework ExpandEnvironmentStringsA to return ansi size and fix corner cases. kernel32: Rework ExpandEnvironmentStringsW error handling. ntdll: Rework RtlExpandEnvironmentStrings/_U to account for corner cases. kernel32: Add ExpandEnvironmentStringsA tests for japanese. kernel32: Add more tests for ExpandEnvironmentStringsA. kernel32: Add tests for ExpandEnvironmentStringsW. ntdll: Add more tests for RtlExpandEnvironmentStrings/_U. userenv: Add another test for GetProfilesDirectoryA