make waveforms centered when height hits NAME_HIGHLIGHT_THRESHOLD

[ardour.git] / gtk2_ardour / automation_gain_line.cc

diff --git a/gtk2_ardour/automation_gain_line.cc b/gtk2_ardour/automation_gain_line.cc
index 272e6cfc52e1283bbaac98ccab996e8d16f7412e..74e4f64e3c81ce00d8f378fe41a04af7bee4377d 100644 (file)
--- a/gtk2_ardour/automation_gain_line.cc
+++ b/gtk2_ardour/automation_gain_line.cc
@@ -31,6 +31,7 @@
 
 using namespace std;
 using namespace ARDOUR;
+using namespace PBD;
 
 AutomationGainLine::AutomationGainLine (const string & name, Session& s, TimeAxisView& tv, ArdourCanvas::Group& parent, Curve& c)