Avoid unused variable warning in TLS 1.3 PSK binder calculation
Signed-off-by: Hanno Becker <hanno.becker@arm.com>
diff --git a/library/ssl_tls13_keys.c b/library/ssl_tls13_keys.c
index 950d32c..78a5581 100644
--- a/library/ssl_tls13_keys.c
+++ b/library/ssl_tls13_keys.c
@@ -628,6 +628,11 @@
mbedtls_md_info_t const *md_info = mbedtls_md_info_from_type( md_type );
size_t const md_size = mbedtls_md_get_size( md_info );
+#if !defined(MBEDTLS_DEBUG_C)
+ ssl = NULL; /* make sure we don't use it except for debug */
+ ((void) ssl);
+#endif
+
/* We should never call this function with an unknown hash,
* but add an assertion anyway. */
if( md_info == 0 )