X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fmidi%2B%2B2%2Fmidicontrollable.cc;h=bb9867885449cc8a7dd81405815a29dc818bf8b3;hb=fe13d08874f08b723df53116e5655c3d229a657e;hp=24bc38125500d7352fad5a6875b7b75aa8304cd9;hpb=13532c8500dce5f7a4525bcdfc3b44936fbaa5e6;p=ardour.git

diff --git a/libs/midi++2/midicontrollable.cc b/libs/midi++2/midicontrollable.cc
index 24bc381255..bb98678854 100644
--- a/libs/midi++2/midicontrollable.cc
+++ b/libs/midi++2/midicontrollable.cc
@@ -26,6 +26,7 @@
 
 using namespace sigc;
 using namespace MIDI;
+using namespace PBD;
 
 Controllable::Controllable (Port *p, bool is_bistate)
 {