Fix crash on quit when in a non-route time axis.

gtk2_ardour/route_time_axis.cc

@@ -323,8 +323,6 @@ RouteTimeAxisView::set_route (boost::shared_ptr<Route> rt)
 
 RouteTimeAxisView::~RouteTimeAxisView ()
 {
-	CatchDeletion (this);
-
 	for (list<ProcessorAutomationInfo*>::iterator i = processor_automation.begin(); i != processor_automation.end(); ++i) {
 		delete *i;
 	}

gtk2_ardour/time_axis_view.cc

@@ -219,6 +219,8 @@ TimeAxisView::TimeAxisView (ARDOUR::Session* sess, PublicEditor& ed, TimeAxisVie
 
 TimeAxisView::~TimeAxisView()
 {
+	CatchDeletion (this);
+
 	in_destructor = true;
 
 	for (list<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {