fix: add missing deprecation guards
Signed-off-by: Valerio Setti <vsetti@baylibre.com>
diff --git a/programs/x509/cert_write.c b/programs/x509/cert_write.c
index 363ed8d..ec4d325 100644
--- a/programs/x509/cert_write.c
+++ b/programs/x509/cert_write.c
@@ -663,7 +663,7 @@
mbedtls_x509write_crt_set_version(&crt, opt.version);
mbedtls_x509write_crt_set_md_alg(&crt, opt.md);
-#if defined(MBEDTLS_BIGNUM_C)
+#if defined(MBEDTLS_BIGNUM_C) && !defined(MBEDTLS_DEPRECATED_REMOVED)
ret = mbedtls_x509write_crt_set_serial(&crt, &serial);
if (ret != 0) {
mbedtls_strerror(ret, buf, sizeof(buf));