Multicast

1. Squash a couple unused variable warnings.

src/internal.c

@@ -3726,7 +3726,9 @@ int SetSSL_CTX(WOLFSSL* ssl, WOLFSSL_CTX* ctx, int writeDup)
     byte newSSL;
     byte haveRSA = 0;
     byte haveMcast = 0;
-    (void) haveAnon; /* Squash unused var warnings */
+
+    (void)haveAnon; /* Squash unused var warnings */
+    (void)haveMcast;
 
     if (!ssl || !ctx)
         return BAD_FUNC_ARG;

src/ssl.c

@@ -8889,6 +8889,7 @@ int wolfSSL_DTLS_SetCookieSecret(WOLFSSL* ssl,
         #ifdef WOLFSSL_MULTICAST
             haveMcast = ssl->options.haveMcast;
         #endif
+        (void)haveMcast;
 
         if (ssl->options.side != WOLFSSL_SERVER_END) {
             WOLFSSL_ERROR(ssl->error = SIDE_ERROR);