X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fmidi-chunk.cc;h=f98c76373e9728e68c66863a7008c20e7c548d74;hb=1360dadfa38a00bab00f5d4c6a3c538ceb00cf87;hp=699ec7e89876049d379858b5dd287118f4266271;hpb=f5a18c364cf7688d9ac6e09996a489a93a821b3c;p=lilypond.git

diff --git a/lily/midi-chunk.cc b/lily/midi-chunk.cc
index 699ec7e898..f98c76373e 100644
--- 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;