Imported Upstream version 2.18.0

[lilypond.git] / lily / midi-chunk.cc

diff --git a/lily/midi-chunk.cc b/lily/midi-chunk.cc
index 699ec7e89876049d379858b5dd287118f4266271..f98c76373e9728e68c66863a7008c20e7c548d74 100644 (file)
--- a/lily/midi-chunk.cc
+++ b/lily/midi-chunk.cc
@@ -181,7 +181,7 @@ Midi_chunk::~Midi_chunk ()
 }
 
 void
-Midi_chunk::set (string header_string, string data_string, string footer_string)
+Midi_chunk::set (const string &header_string, const string &data_string, const string &footer_string)
 {
   data_string_ = data_string;
   footer_string_ = footer_string;