Fix map reference regression

js/id/modes/add_line.js

@@ -13,7 +13,6 @@ iD.modes.AddLine = function() {
             controller = mode.controller;
 
         map.dblclickEnable(false)
-            .hoverEnable(false)
             .hoverEnable(false)
             .hint('Click on the map to start drawing an road, path, or route.');
 

js/id/modes/add_point.js

@@ -30,7 +30,7 @@ iD.modes.AddPoint = function() {
     };
 
     mode.exit = function() {
-        map.hoverEnable(true);
+        mode.map.hoverEnable(true);
         mode.map.hint(false);
         mode.map.surface.on('click.addpoint', null);
         mode.map.keybinding().on('⎋.addpoint', null);