cryptui: Fix a crash with certification path (resend)

[Juan Lang]

>>> @@ -4051,8 +4050,8 @@ static void show_cert_chain(HWND hwnd, struct hierarchy_data *data)
>>>                   */
>>>                  tvis.u.item.iImage = 2;
>>>              }
>>> -            else if (provSigner->pasCertChain[i - 1].pChainElement->TrustStatus.
>>> -             dwErrorStatus == 0)
>>> +            else if (i > 1 &&
>>> +                     provSigner->pasCertChain[i - 1].pChainElement->TrustStatus.dwErrorStatus == 0)
>>
>> What is this change for?
>>
> there is no pasCertChain[0] for some reason, there is a similar check in show_dialog_for_selected_cert (same file, "selection" is checked for not being 0 and used as index for pasCertChain)

That's a bit different.  I wonder if there's a wintrust bug that leads
to this?  Any chance of opening a bug and attaching the cert that
produces the crash to it?
--Juan