crypt32/tests: make sure to use a return value (LLVM/Clang) (1/2)

[Austin English]

-- 
-Austin
-------------- next part --------------
diff --git a/dlls/crypt32/tests/cert.c b/dlls/crypt32/tests/cert.c
index b1a993d..e338740 100644
--- a/dlls/crypt32/tests/cert.c
+++ b/dlls/crypt32/tests/cert.c
@@ -1834,6 +1834,7 @@ static void testCertSigs(void)
     CryptReleaseContext(csp, 0);
     ret = pCryptAcquireContextA(&csp, cspNameA, MS_DEF_PROV_A, PROV_RSA_FULL,
      CRYPT_DELETEKEYSET);
+    ok(ret, "CryptAcquireContext failed: %08x\n", GetLastError());
 }
 
 static const BYTE md5SignedEmptyCert[] = {