more solo model work, including a GUI fix for mute button state when the route is...

[ardour.git] / libs / ardour / midi_playlist.cc

diff --git a/libs/ardour/midi_playlist.cc b/libs/ardour/midi_playlist.cc
index 048a54da93a006036c63fc0add6eeaa7c221d7fe..eec0cde0db3f6bd17a68e826783be95d492f5bd4 100644 (file)
--- a/libs/ardour/midi_playlist.cc
+++ b/libs/ardour/midi_playlist.cc
@@ -39,6 +39,7 @@
 #include "i18n.h"
 
 using namespace ARDOUR;
+using namespace PBD;
 using namespace std;
 
 MidiPlaylist::MidiPlaylist (Session& session, const XMLNode& node, bool hidden)