X-Git-Url: https://git.donarmstrong.com/lilypond.git?a=blobdiff_plain;f=lily%2Fpitch.cc;h=610e30480f5ebbaf34b8370c8e26f9acfa8fefb3;hb=1de3d397c18622b6061402fef18e625701712bc5;hp=e34562fecc5571fe83ab21b5c3b5df677ffb36d9;hpb=a22f2ad68fccb81e52f805ba69cb8c0e6bf8cd82;p=lilypond.git

diff --git a/lily/pitch.cc b/lily/pitch.cc
index e34562fecc..610e30480f 100644
--- a/lily/pitch.cc
+++ b/lily/pitch.cc
@@ -26,6 +26,8 @@
 
 #include <cmath>
 
+using std::string;
+
 Pitch::Pitch (int o, int n, Rational a)
 {
   notename_ = n;