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-rw-r--r--gtk2_ardour/automation_pan_line.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/gtk2_ardour/automation_pan_line.cc b/gtk2_ardour/automation_pan_line.cc
index 7a264502af..aacfbdde75 100644
--- a/gtk2_ardour/automation_pan_line.cc
+++ b/gtk2_ardour/automation_pan_line.cc
@@ -31,6 +31,7 @@
#include <ardour/session.h>
using namespace ARDOUR;
+using namespace PBD;
AutomationPanLine::AutomationPanLine (const string & name, Session& s, TimeAxisView& tv, ArdourCanvas::Group& parent, Curve& c)