Fix smart mode cursor on audio regions.

gtk2_ardour/editor_canvas.cc

@@ -1188,9 +1188,13 @@ Editor::which_canvas_cursor(ItemType type) const
 
 		switch (type) {
 		case RegionItem:
-		case RegionViewNameHighlight:
+		/* We don't choose a cursor for these items on top of a region view,
-		case RegionViewName:
+		   because this would push a new context on the enter stack which
-		case WaveItem:
+		   means switching the region context for things like smart mode
+		   won't actualy change the cursor. */
+		// case RegionViewNameHighlight:
+		// case RegionViewName:
+		// case WaveItem:
 		case StreamItem:
 		case AutomationTrackItem:
 			cursor = which_track_cursor ();