File 0001-Fix-build-with-Werror-return-type.patch of Package opentoonz

From 8cdd80a7d3e1b15006d59f09297fc769de3e2ef4 Mon Sep 17 00:00:00 2001
From: Christophe Marin <christophe@krop.fr>
Date: Thu, 11 May 2023 00:48:18 +0200
Subject: [PATCH] Fix build with -Werror=return-type

---
 toonz/sources/stdfx/igs_rotate_blur.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/toonz/sources/stdfx/igs_rotate_blur.cpp b/toonz/sources/stdfx/igs_rotate_blur.cpp
index ff9c6fc..4ab516d 100644
--- a/toonz/sources/stdfx/igs_rotate_blur.cpp
+++ b/toonz/sources/stdfx/igs_rotate_blur.cpp
@@ -230,7 +230,7 @@ private:
   // disable
   Rotator();
   Rotator(const Rotator&);
-  Rotator& operator=(const Rotator&) {}
+  Rotator& operator=(const Rotator&) { return *this; }
 };
 //------------------------------------------------------------------
 
-- 
2.40.1