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-rw-r--r--libs/ardour/ardour/automation_watch.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/libs/ardour/ardour/automation_watch.h b/libs/ardour/ardour/automation_watch.h
index 960e29943c..febbe10398 100644
--- a/libs/ardour/ardour/automation_watch.h
+++ b/libs/ardour/ardour/automation_watch.h
@@ -16,6 +16,8 @@
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#ifndef __ardour_automation_watch_h__
+#define __ardour_automation_watch_h__
#include <set>
#include <boost/shared_ptr.hpp>
@@ -60,3 +62,5 @@ class LIBARDOUR_API AutomationWatch : public sigc::trackable, public ARDOUR::Ses
};
}
+
+#endif // __ardour_automation_watch_h__