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-rw-r--r--gtk2_ardour/taperegionview.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/gtk2_ardour/taperegionview.cc b/gtk2_ardour/taperegionview.cc
index 533b715ce4..641d067350 100644
--- a/gtk2_ardour/taperegionview.cc
+++ b/gtk2_ardour/taperegionview.cc
@@ -38,6 +38,7 @@
using namespace sigc;
using namespace ARDOUR;
+using namespace PBD;
using namespace Editing;
using namespace ArdourCanvas;