account for x509 small builds in test case

Author: JacobBarthelmeh

tests/api/test_x509.c

@@ -250,9 +250,20 @@ int test_X509_set_serialNumber(void)
 #if defined(OPENSSL_EXTRA) || defined(OPENSSL_EXTRA_X509_SMALL)
     WOLFSSL_X509*         x509 = NULL;
     WOLFSSL_ASN1_INTEGER* s    = NULL;
+#if defined(OPENSSL_EXTRA_X509_SMALL)
+    WOLFSSL_ASN1_INTEGER  asnInt;
+#endif
 
     ExpectNotNull(x509 = wolfSSL_X509_new());
+#if defined(OPENSSL_EXTRA_X509_SMALL)
+    XMEMSET(&asnInt, 0, sizeof(asnInt));
+    asnInt.data = asnInt.intData;
+    asnInt.isDynamic = 0;
+    asnInt.dataMax = (unsigned int)sizeof(asnInt.intData);
+    s = &asnInt;
+#else
     ExpectNotNull(s = wolfSSL_ASN1_INTEGER_new());
+#endif
 
     /* --- invalid inputs that must be rejected --- */
 
@@ -316,7 +327,9 @@ int test_X509_set_serialNumber(void)
         ExpectIntEQ(x509->serial[1], 0x02);
     }
 
+#if !defined(OPENSSL_EXTRA_X509_SMALL)
     wolfSSL_ASN1_INTEGER_free(s);
+#endif
     wolfSSL_X509_free(x509);
 #endif /* OPENSSL_EXTRA || OPENSSL_EXTRA_X509_SMALL */
     return EXPECT_RESULT();