kernel32/locale:Fix some bugs about special Chinese test in parse_locale_name()

[Marvin]

Hi,

While running your changed tests on Windows, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?
Full results can be found at
https://testbot.winehq.org/JobDetails.pl?Key=30181

Your paranoid android.


=== wvistau64 (32 bit locale) ===
locale.c:4532: Test failed: IsValidLocaleName failed
locale.c:4534: Test failed: IsValidLocaleName failed

=== w2008s64 (32 bit locale) ===
locale.c:4532: Test failed: IsValidLocaleName failed
locale.c:4534: Test failed: IsValidLocaleName failed

=== wvistau64 (64 bit locale) ===
locale.c:4532: Test failed: IsValidLocaleName failed
locale.c:4534: Test failed: IsValidLocaleName failed

=== w2008s64 (64 bit locale) ===
locale.c:4532: Test failed: IsValidLocaleName failed
locale.c:4534: Test failed: IsValidLocaleName failed