fix crash when copy'ing latent plugins

[ardour.git] / gtk2_ardour / midi_automation_line.h

diff --git a/gtk2_ardour/midi_automation_line.h b/gtk2_ardour/midi_automation_line.h
index 3748c35bd465a3f4496e06021230b44cf36e3e00..e0da2a00d7d06ba24155da924499669d426be9b3 100644 (file)
--- a/gtk2_ardour/midi_automation_line.h
+++ b/gtk2_ardour/midi_automation_line.h
@@ -17,9 +17,12 @@
 
 */
 
-#include "ardour/midi_region.h"
 #include "automation_line.h"
 
+namespace ARDOUR {
+       class MidiRegion;
+}
+
 /** Stub class so that lines for MIDI AutomationRegionViews can use the correct
  *  MementoCommandBinder.
  */