free buffer then set it to 0

diff --git a/libs/ardour/session_ltc.cc b/libs/ardour/session_ltc.cc
index 177598091e86398965e7a43463ea99a5c99bda03..a945cb3dcb18e72f749907c62a48a40f7bea57a0 100644 (file)
--- a/libs/ardour/session_ltc.cc
+++ b/libs/ardour/session_ltc.cc
@@ -93,7 +93,10 @@ void
 Session::ltc_tx_cleanup()
 {
        DEBUG_TRACE (DEBUG::LTC, "LTC TX cleanup\n");
-       if (ltc_enc_buf) free(ltc_enc_buf);
+       if (ltc_enc_buf) {
+               free(ltc_enc_buf);
+               ltc_enc_buf = 0;
+       }
        ltc_encoder_free(ltc_encoder);
        ltc_encoder = NULL;
 }