X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Foutput-def.cc;h=898d1b102e770fca72e6e5ca9034520b078d8d60;hb=058370efc7e9710f149d0f444328bb1fcd7bdec1;hp=a67e8edb6749c9735ce6991a6036b89de327ba3b;hpb=55ac733b69643a6bc6a83b706c65cb56efd388ef;p=lilypond.git

diff --git a/lily/output-def.cc b/lily/output-def.cc
index a67e8edb67..898d1b102e 100644
--- a/lily/output-def.cc
+++ b/lily/output-def.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 1997--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  Copyright (C) 1997--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -129,7 +129,7 @@ Output_def::lookup_variable (SCM sym) const
 }
 
 SCM
-Output_def::c_variable (string s) const
+Output_def::c_variable (const string &s) const
 {
   return lookup_variable (ly_symbol2scm (s.c_str ()));
 }