X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fduration.cc;h=37b702183c7092c6299aab620ff207ec7f6893c5;hb=f127e14af04f474d20406ca0e0f76f05061ee103;hp=0b1001954072852ea366ad18c257aa19ef0fb4e0;hpb=cca994dde70bef1b6c4e5cab871bcef845fec37c;p=lilypond.git

diff --git a/lily/duration.cc b/lily/duration.cc
index 0b10019540..37b702183c 100644
--- a/lily/duration.cc
+++ b/lily/duration.cc
@@ -23,6 +23,7 @@
 #include "misc.hh"
 #include "lily-proto.hh"
 
+using std::string;
 
 int
 Duration::compare (Duration const &left, Duration const &right)