Imported Upstream version 2.19.45

[lilypond.git] / flower / include / interval.hh

diff --git a/flower/include/interval.hh b/flower/include/interval.hh
index cc6f70a9c82f03ce701885118ce7af1f8a8c0ad2..88cd01f89f8342a2d478ce39a6f2b6b4d8812d90 100644 (file)
--- a/flower/include/interval.hh
+++ b/flower/include/interval.hh
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 1996--2012 Han-Wen Nienhuys
+  Copyright (C) 1996--2015 Han-Wen Nienhuys
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -23,6 +23,7 @@
 #include <math.h>
 
 #include "flower-proto.hh"
+#include "std-string.hh"
 #include "drul-array.hh"
 
 /* A T interval.  This represents the closed interval [left,right].