From f78d384281a71e8bae0ca015097cc54a725098f2 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Tue, 21 Jun 2022 18:35:57 -0600
Subject: [PATCH] fix may-be-used-unset warning

---
 libs/ardour/graph.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/ardour/graph.cc b/libs/ardour/graph.cc
index 32943728c9..b37cda02a5 100644
--- a/libs/ardour/graph.cc
+++ b/libs/ardour/graph.cc
@@ -533,7 +533,7 @@ void
 Graph::process_one_route (Route* route)
 {
 	bool need_butler = false;
-	int  retval;
+	int  retval = 0;
 
 	assert (route);