X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fmidi-control-function-performer.cc;h=1305b9378e8ab7fcb5343933e922c436db6964b6;hb=1de3d397c18622b6061402fef18e625701712bc5;hp=90ea063f736d1c3af3a884ba7cc5858506d1ff7e;hpb=a22f2ad68fccb81e52f805ba69cb8c0e6bf8cd82;p=lilypond.git

diff --git a/lily/midi-control-function-performer.cc b/lily/midi-control-function-performer.cc
index 90ea063f73..1305b9378e 100644
--- a/lily/midi-control-function-performer.cc
+++ b/lily/midi-control-function-performer.cc
@@ -31,6 +31,8 @@
 
 #include "translator.icc"
 
+using std::string;
+
 /**
    MIDI control function performer.  Announces "set property" events on MIDI
    context properties.