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Diffstat (limited to 'gtk2_ardour/mixer_group_tabs.h')
-rw-r--r--gtk2_ardour/mixer_group_tabs.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/gtk2_ardour/mixer_group_tabs.h b/gtk2_ardour/mixer_group_tabs.h
index 8da5a1be49..05a0d7e2e5 100644
--- a/gtk2_ardour/mixer_group_tabs.h
+++ b/gtk2_ardour/mixer_group_tabs.h
@@ -17,6 +17,9 @@
*/
+#ifndef __gtk_ardour_mixer_group_tabs_h__
+#define __gtk_ardour_mixer_group_tabs_h__
+
#include "group_tabs.h"
class Mixer_UI;
@@ -39,3 +42,5 @@ private:
Mixer_UI* _mixer;
};
+
+#endif // __gtk_ardour_mixer_group_tabs_h__