From 4b16705aa5ee151ed9e5137636e4db92e3c5cc72 Mon Sep 17 00:00:00 2001
From: Paul Licameli <paul.licameli@audacityteam.org>
Date: Tue, 13 Sep 2016 22:23:17 -0400
Subject: [PATCH] a little more const

---
 src/effects/AutoDuck.cpp | 2 +-
 src/effects/AutoDuck.h   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/effects/AutoDuck.cpp b/src/effects/AutoDuck.cpp
index 4446d1e9a..16be71ca1 100644
--- a/src/effects/AutoDuck.cpp
+++ b/src/effects/AutoDuck.cpp
@@ -201,7 +201,7 @@ bool EffectAutoDuck::Init()
    Track *t = iter.First();
 
    bool lastWasSelectedWaveTrack = false;
-   WaveTrack *controlTrackCandidate = NULL;
+   const WaveTrack *controlTrackCandidate = NULL;
 
    while(t)
    {
diff --git a/src/effects/AutoDuck.h b/src/effects/AutoDuck.h
index eedec53cc..6f64472a8 100644
--- a/src/effects/AutoDuck.h
+++ b/src/effects/AutoDuck.h
@@ -74,7 +74,7 @@ private:
    double mThresholdDb;
    double mMaximumPause;
 
-   WaveTrack *mControlTrack;
+   const WaveTrack *mControlTrack;
 
    wxTextCtrl *mDuckAmountDbBox;
    wxTextCtrl *mInnerFadeDownLenBox;