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-rw-r--r--libs/canvas/canvas/wave_view.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/libs/canvas/canvas/wave_view.h b/libs/canvas/canvas/wave_view.h
index 8dfd988b6b..abb5200244 100644
--- a/libs/canvas/canvas/wave_view.h
+++ b/libs/canvas/canvas/wave_view.h
@@ -18,6 +18,9 @@
*/
+#ifndef __CANVAS_WAVE_VIEW_H__
+#define __CANVAS_WAVE_VIEW_H__
+
#include <boost/shared_ptr.hpp>
#include <boost/shared_array.hpp>
#include <boost/scoped_array.hpp>
@@ -408,4 +411,6 @@ public:
static DrawingRequestQueue request_queue;
};
-}
+} // namespace ArdourCanvas
+
+#endif // __CANVAS_WAVE_VIEW_H__