Bug 432766 - Middle click bookmarks folder in Library replaced current tab, r=dietrich

browser/components/places/content/places.js

@@ -306,7 +306,7 @@ var PlacesOrganizer = {
         // The command execution function will take care of seeing the
         // selection is a folder/container and loading its contents in
         // tabs for us.
-        PlacesUIUtils.openContainerNodeInTabs(selectedNode);
+        PlacesUIUtils.openContainerNodeInTabs(selectedNode, aEvent);
       }
     }
   },