crypt32: Use empty_store for new CTL contexts.

dlls/crypt32/ctl.c

@@ -453,7 +453,7 @@ PCCTL_CONTEXT WINAPI CertCreateCTLContext(DWORD dwMsgAndCertEncodingType,
                         ctl->pbCtlEncoded             = data;
                         ctl->cbCtlEncoded             = cbCtlEncoded;
                         ctl->pCtlInfo                 = ctlInfo;
-                        ctl->hCertStore               = NULL;
+                        ctl->hCertStore               = &empty_store;
                         ctl->hCryptMsg                = msg;
                         ctl->pbCtlContext             = content;
                         ctl->cbCtlContext             = contentSize;

dlls/crypt32/tests/store.c

@@ -2531,6 +2531,7 @@ static void testEmptyStore(void)
 {
     const CERT_CONTEXT *cert, *cert2, *cert3;
     const CRL_CONTEXT *crl;
+    const CTL_CONTEXT *ctl;
     HCERTSTORE store;
     BOOL res;
 
@@ -2594,6 +2595,12 @@ static void testEmptyStore(void)
 
     CertFreeCRLContext(crl);
 
+    ctl = CertCreateCTLContext(X509_ASN_ENCODING, signedCTLWithCTLInnerContent, sizeof(signedCTLWithCTLInnerContent));
+    ok(ctl != NULL, "CertCreateCTLContext failed\n");
+    ok(ctl->hCertStore == cert->hCertStore, "unexpected hCertStore\n");
+
+    CertFreeCTLContext(ctl);
+
     CertFreeCertificateContext(cert);
 }