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Diffstat (limited to 'gtk2_ardour/region_gain_line.h')
-rw-r--r--gtk2_ardour/region_gain_line.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/gtk2_ardour/region_gain_line.h b/gtk2_ardour/region_gain_line.h
index 3781fe60bb..916bf78a78 100644
--- a/gtk2_ardour/region_gain_line.h
+++ b/gtk2_ardour/region_gain_line.h
@@ -31,7 +31,9 @@ class AudioRegionGainLine : public AutomationLine
ARDOUR::Session& session;
AudioRegionView& rv;
+#ifdef STATE_MANAGER
UndoAction get_memento();
+#endif
};