X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fmidi-stream.hh;h=7ea838fdd0f845ebb50eb676c27b9c42031605e7;hb=00216e16c717470ae53dbbfd1d52850d1b102e29;hp=ee1534da07d73a43ebf79361f38dcab4637974e0;hpb=d61cf3bbdb1c6670a127ba3baddf2f04d3e34fd3;p=lilypond.git

diff --git a/lily/include/midi-stream.hh b/lily/include/midi-stream.hh
index ee1534da07..7ea838fdd0 100644
--- a/lily/include/midi-stream.hh
+++ b/lily/include/midi-stream.hh
@@ -29,10 +29,10 @@ using namespace std;
 
 struct Midi_stream
 {
-  Midi_stream (string file_name_string);
+  Midi_stream (const string &file_name_string);
   ~Midi_stream ();
 
-  void write (string);
+  void write (const string&);
   void write (Midi_chunk const &);
   void open ();