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Diffstat (limited to 'gtk2_ardour/gain_automation_time_axis.cc')
-rw-r--r--gtk2_ardour/gain_automation_time_axis.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/gtk2_ardour/gain_automation_time_axis.cc b/gtk2_ardour/gain_automation_time_axis.cc
index cb96774cdb..8f41f5def0 100644
--- a/gtk2_ardour/gain_automation_time_axis.cc
+++ b/gtk2_ardour/gain_automation_time_axis.cc
@@ -28,6 +28,7 @@
#include "i18n.h"
using namespace ARDOUR;
+using namespace PBD;
using namespace Gtk;
GainAutomationTimeAxisView::GainAutomationTimeAxisView (Session& s, Route& r, PublicEditor& e, TimeAxisView& parent, ArdourCanvas::Canvas& canvas, const string & n, ARDOUR::Curve& c)