[PATCH] msvcp120/tests: Check handle validity in test_thrd, not handle equality

[Piotr Caban]

Signed-off-by: Piotr Caban <piotr at codeweavers.com>

The commit message is not ideal. Probably something like:
msvcp120/tests: Don't check for handle equality in _Thrd_current tests.
would be better.