From def73e80ef5f0265c77e833a5bdccdd1ab6fba6a Mon Sep 17 00:00:00 2001
From: Paul Licameli <paul.licameli@gmail.com>
Date: Wed, 13 Apr 2016 18:11:45 -0400
Subject: [PATCH] Revert "Simplify WaveTrack::Locker"

This reverts commit 02a2bdc92b7a572fefb37f72f71a2c7cd69c986c.
---
 src/WaveTrack.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/WaveTrack.h b/src/WaveTrack.h
index c8ff935ec..5c4702fac 100644
--- a/src/WaveTrack.h
+++ b/src/WaveTrack.h
@@ -302,6 +302,11 @@ class AUDACITY_DLL_API WaveTrack final : public Track {
       Locker (const WaveTrack *pTrack)
          : LockerBase{ pTrack }
       { pTrack->Lock(); }
+      Locker(Locker &&that) : LockerBase{std::move(that)} {}
+      Locker &operator= (Locker &&that) {
+         (LockerBase&)(*this) = std::move(that);
+         return *this;
+      }
    };
 
    bool CloseLock(); //similar to Lock but should be called when the project closes.