From 1f87d4f716668f6fd4a26f94934ffe7b840c5803 Mon Sep 17 00:00:00 2001
From: Leland Lucius <github@homerow.net>
Date: Fri, 17 Jul 2020 17:23:23 -0500
Subject: [PATCH] AUP3: Fix build

---
 src/ProjectFileIO.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/ProjectFileIO.h b/src/ProjectFileIO.h
index 03549ad97..dae986698 100644
--- a/src/ProjectFileIO.h
+++ b/src/ProjectFileIO.h
@@ -25,6 +25,7 @@ class AudacityProject;
 class AutoCommitTransaction;
 class ProjectSerializer;
 class SqliteSampleBlock;
+class TrackList;
 class WaveTrack;
 
 using WaveTrackArray = std::vector < std::shared_ptr < WaveTrack > >;