mshtml: Check for CATID_SafeForScripting in GUID_CUSTOM_CONFIRMOBJECTSAFETY implementation if IObjectSafety is not available.

crypt32: CertFindCRLInStore with find type CRL_FIND_ISSUED_FOR shouldn't check whether the CRL is valid for the subject certificate.

crypt32: Correct CertIsValidCRLForCertificate for certificates that do not contain a CRL dist points extension.

Also enable a test which now works in Wine.

Do not rely on the reference count of ITypeInfo's to go to zero to
delete them. Instead only rely on the parent typelib's reference
count, but update the parent typelib's reference count based on
whether each typeinfo has a valid reference.

ntdll: Merge the thread data and thread regs structure, and make sure i386 regs are not available on other platforms.