[PATCH] ucrtbase: Don't fail if path ends with '\' character in stat functions family.

[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=39875

Your paranoid android.


=== wvistau64 (32 bit misc) ===
misc.c:952: Test failed: _stat32('stat_file.tst\') returned -1

=== wvistau64_zh_CN (32 bit misc) ===
misc.c:952: Test failed: _stat32('stat_file.tst\') returned -1

=== wvistau64_fr (32 bit misc) ===
misc.c:952: Test failed: _stat32('stat_file.tst\') returned -1

=== wvistau64_he (32 bit misc) ===
misc.c:952: Test failed: _stat32('stat_file.tst\') returned -1

=== w7u (32 bit misc) ===
misc.c:952: Test failed: _stat32('stat_file.tst\') returned -1

=== w1064 (32 bit misc) ===
misc.c:952: Test failed: _stat32('stat_file.tst\') returned -1

=== wvistau64 (64 bit misc) ===
misc.c:952: Test failed: _stat32('stat_file.tst\') returned -1

=== w1064 (64 bit misc) ===
misc.c:952: Test failed: _stat32('stat_file.tst\') returned -1