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-rw-r--r--gtk2_ardour/main_clock.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/gtk2_ardour/main_clock.h b/gtk2_ardour/main_clock.h
index bf0712686a..25ddff45a9 100644
--- a/gtk2_ardour/main_clock.h
+++ b/gtk2_ardour/main_clock.h
@@ -17,6 +17,9 @@
*/
+#ifndef __gtk_ardour_main_clock_h__
+#define __gtk_ardour_main_clock_h__
+
#include "audio_clock.h"
/** A simple subclass of AudioClock that adds a few things to its context menu:
@@ -42,3 +45,5 @@ private:
bool on_button_press_event (GdkEventButton *ev);
};
+
+#endif // __gtk_ardour_main_clock_h__