From e6e4f44c810271ca6a31f32da50ab4f1d3e16e3d Mon Sep 17 00:00:00 2001
From: Paul Licameli <paul.licameli@audacityteam.org>
Date: Fri, 5 Oct 2018 22:08:09 -0400
Subject: [PATCH] Bug1997: Split Stereo Track and Split Stereo to Mono were
 doing nothing

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

diff --git a/src/Track.cpp b/src/Track.cpp
index 9aa43eaed..c090e0319 100644
--- a/src/Track.cpp
+++ b/src/Track.cpp
@@ -736,7 +736,7 @@ void TrackList::GroupChannels(
       auto after = iter;
       auto end = this->ListOfTracks::end();
       auto count = groupSize;
-      for ( ; after != end && count--; ++after )
+      for ( ; after != end && count; ++after, --count )
          ;
       if ( count == 0 ) {
          auto unlink = [&] ( Track &tr ) {