X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=flower%2Finclude%2Finterval.hh;h=88cd01f89f8342a2d478ce39a6f2b6b4d8812d90;hb=2755c70c630d8f4a7fc8cd77621a4e3ee05096ab;hp=02bc7919d6f5680d054b1e8db5c0c9ee778129f8;hpb=6e2e1d6a13aba88a3a8eecc0d46f96ad245c152a;p=lilypond.git

diff --git a/flower/include/interval.hh b/flower/include/interval.hh
index 02bc7919d6..88cd01f89f 100644
--- 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--2011 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].