Imported Upstream version 2.18.0

[lilypond.git] / lily / include / midi-chunk.hh

diff --git a/lily/include/midi-chunk.hh b/lily/include/midi-chunk.hh
index d73b6af790fd17b0e21f767c45e0581980de7c1c..c87adf6491a91c8a8ccbc4a0b041a2f06ca6f808 100644 (file)
--- a/lily/include/midi-chunk.hh
+++ b/lily/include/midi-chunk.hh
@@ -43,7 +43,7 @@ public:
 class Midi_chunk
 {
 public:
-  void set (string header_string, string data_string, string footer_string);
+  void set (const string &header_string, const string &data_string, const string &footer_string);
   virtual string to_string () const;
   virtual string data_string () const;
   DECLARE_CLASSNAME (Midi_chunk);