* src/gnutls.c (clear_storage): Define only if needed.

diff --git a/src/gnutls.c b/src/gnutls.c
index e406d6651904f9916785f3d84f227a132cf0dd44..7c9884085283b8d90ce47ebe86245896132316d2 100644 (file)
--- a/src/gnutls.c
+++ b/src/gnutls.c
@@ -1891,6 +1891,8 @@ The alist key is the cipher name. */)
   return ciphers;
 }
 
+#ifdef HAVE_GNUTLS3_AEAD
+
 /* Zero out STORAGE (even if it will become inaccessible.  It has
    STORAGE_LENGTH bytes.  The goal is to improve security a bit, in
    case an Emacs module or some buggy part of Emacs attempts to
@@ -1907,6 +1909,8 @@ clear_storage (void *storage, ptrdiff_t storage_length)
   explicit_bzero (storage, storage_length);
 }
 
+#endif  /* HAVE_GNUTLS3_AEAD */
+
 static Lisp_Object
 gnutls_symmetric_aead (bool encrypting, gnutls_cipher_algorithm_t gca,
                        Lisp_Object cipher,