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Diffstat (limited to 'gtk2_ardour/route_time_axis.h')
-rw-r--r--gtk2_ardour/route_time_axis.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/gtk2_ardour/route_time_axis.h b/gtk2_ardour/route_time_axis.h
index 69dc47580a..b098894d8c 100644
--- a/gtk2_ardour/route_time_axis.h
+++ b/gtk2_ardour/route_time_axis.h
@@ -117,7 +117,7 @@ public:
: param (par), menu_item (mi), track (tr) {}
};
- virtual void create_automation_child (ARDOUR::Parameter param, bool show) = 0;
+ virtual void create_automation_child (const ARDOUR::Parameter& param, bool show) = 0;
/* make sure we get the right version of this */