Use signed arithmetic to avoid overflow.

[lilypond.git] / lily / paper-system.cc

diff --git a/lily/paper-system.cc b/lily/paper-system.cc
index dcca617c842cddbaa14eefd265289ebfff0f0eaa..c96e412d8a36b2ae8576bf3ee8b0d682bc9f4485 100644 (file)
--- a/lily/paper-system.cc
+++ b/lily/paper-system.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 2004--2009 Jan Nieuwenhuizen <janneke@gnu.org>
+  Copyright (C) 2004--2010 Jan Nieuwenhuizen <janneke@gnu.org>
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by