From 18be09e2773823034fa5bd21e8671e54db517b26 Mon Sep 17 00:00:00 2001
From: Paul Licameli <paul.licameli@audacityteam.org>
Date: Fri, 31 May 2019 16:54:06 -0400
Subject: [PATCH] Fix Linux assert violation in MixerBoard

---
 src/MixerBoard.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/MixerBoard.cpp b/src/MixerBoard.cpp
index ee976222c..8a450bce4 100644
--- a/src/MixerBoard.cpp
+++ b/src/MixerBoard.cpp
@@ -296,7 +296,7 @@ MixerTrackCluster::MixerTrackCluster(wxWindow* parent,
       (MUTE_SOLO_HEIGHT + (bSoloNone ? 0 : MUTE_SOLO_HEIGHT) + kDoubleInset);
    ctrlSize.Set(kRightSideStackWidth, nMeterHeight);
 
-   mMeter = NULL;
+   mMeter.Release();
    if (GetWave()) {
       mMeter =
          safenew MeterPanel(GetActiveProject(), // AudacityProject* project,