Merge pull request #4143 from stevew817/fix_misconstructed_dependency

Fix a malformed define guard
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index 18c9dc3..93f41b5 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -5707,7 +5707,7 @@
             break;
 
         case DERIVE_KEY:
-#if PSA_WANT_ALG_HKDF && PSA_WANT_ALG_SHA_256
+#if defined(PSA_WANT_ALG_HKDF) && defined(PSA_WANT_ALG_SHA_256)
             {
                 /* Create base key */
                 psa_algorithm_t derive_alg = PSA_ALG_HKDF( PSA_ALG_SHA_256 );