fix undefined variable 'fd' in tlsHandleEvent

Signed-off-by: WelongZuo <[email protected]>

Author: z00636558

src/tls.c

@@ -697,7 +697,7 @@ static void TLSAccept(void *_conn) {
 static void tlsHandleEvent(tls_connection *conn, int mask) {
     int ret, conn_error;
 
-    TLSCONN_DEBUG("tlsEventHandler(): fd=%d, state=%d, mask=%d, r=%d, w=%d, flags=%d", fd, conn->c.state, mask,
+    TLSCONN_DEBUG("tlsEventHandler(): fd=%d, state=%d, mask=%d, r=%d, w=%d, flags=%d", conn->c.fd, conn->c.state, mask,
                   conn->c.read_handler != NULL, conn->c.write_handler != NULL, conn->flags);
 
     switch (conn->c.state) {