crypt32/tests: make sure to use return values (LLVM/Clang)

[Austin English]

-- 
-Austin
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diff --git a/dlls/crypt32/tests/chain.c b/dlls/crypt32/tests/chain.c
index d11dece..eeb322d 100644
--- a/dlls/crypt32/tests/chain.c
+++ b/dlls/crypt32/tests/chain.c
@@ -3857,9 +3857,11 @@ static void test_CERT_CHAIN_PARA_cbSize(void)
     ret = CertAddEncodedCertificateToStore(store,
      X509_ASN_ENCODING, chain0_0, sizeof(chain0_0),
      CERT_STORE_ADD_ALWAYS, NULL);
+    ok(ret, "CertAddEncodedCertificateToStore failed: %08x\n", GetLastError());
     ret = CertAddEncodedCertificateToStore(store,
      X509_ASN_ENCODING, chain0_1, sizeof(chain0_1),
      CERT_STORE_ADD_ALWAYS, &cert);
+    ok(ret, "CertAddEncodedCertificateToStore failed: %08x\n", GetLastError());
 
     for (i = 0; i < sizeof(CERT_CHAIN_PARA) + 2; i++)
     {