From 4cb4b1ab6d3114e88112ebfa9bda353d5d9a2361 Mon Sep 17 00:00:00 2001
From: Paul Licameli <paul.licameli@audacityteam.org>
Date: Tue, 17 Nov 2020 14:12:00 -0500
Subject: [PATCH] Fix signed/unsigned comparison

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

diff --git a/src/UndoManager.cpp b/src/UndoManager.cpp
index 796a327dc..65644205c 100644
--- a/src/UndoManager.cpp
+++ b/src/UndoManager.cpp
@@ -236,7 +236,7 @@ void UndoManager::RemoveStates(size_t begin, size_t end)
 
       if (current > begin)
         --current;
-      if (saved > begin)
+      if (saved > static_cast<int>(begin))
         --saved;
    }