wintrust/tests: Initialize the pSigState member to prevent Windows 8 and 10 from crashing.

dlls/wintrust/tests/softpub.c

@@ -300,6 +300,7 @@ static void testObjTrust(SAFE_PROVIDER_FUNCTIONS *funcs, GUID *actionID)
 {
     HRESULT ret;
     CRYPT_PROVIDER_DATA data = { 0 };
+    CRYPT_PROVIDER_SIGSTATE sig_state = { 0 };
     WINTRUST_DATA wintrust_data = { 0 };
     WINTRUST_CERT_INFO certInfo = { sizeof(WINTRUST_CERT_INFO), 0 };
     WINTRUST_FILE_INFO fileInfo = { sizeof(WINTRUST_FILE_INFO), 0 };
@@ -313,6 +314,7 @@ static void testObjTrust(SAFE_PROVIDER_FUNCTIONS *funcs, GUID *actionID)
     /* Crashes
     ret = funcs->pfnObjectTrust(NULL);
      */
+    data.pSigState = &sig_state;
     data.pWintrustData = &wintrust_data;
     data.padwTrustStepErrors =
      funcs->pfnAlloc(TRUSTERROR_MAX_STEPS * sizeof(DWORD));
@@ -541,6 +543,7 @@ static const BYTE selfSignedCert[] = {
 static void testCertTrust(SAFE_PROVIDER_FUNCTIONS *funcs, GUID *actionID)
 {
     CRYPT_PROVIDER_DATA data = { 0 };
+    CRYPT_PROVIDER_SIGSTATE sig_state = { 0 };
     CRYPT_PROVIDER_SGNR sgnr = { sizeof(sgnr), { 0 } };
     HRESULT ret;
     BOOL b;
@@ -551,6 +554,7 @@ static void testCertTrust(SAFE_PROVIDER_FUNCTIONS *funcs, GUID *actionID)
         return;
     }
 
+    data.pSigState = &sig_state;
     data.padwTrustStepErrors =
      funcs->pfnAlloc(TRUSTERROR_MAX_STEPS * sizeof(DWORD));
     if (!data.padwTrustStepErrors)