Fix global leaks

js/id/ui/inspector.js

@@ -9,6 +9,7 @@ iD.ui.Inspector = function() {
         presetUI,
         presetGrid,
         tagList,
+        tagEditor,
         context;
 
     function inspector(selection) {

js/lib/d3.combobox.js

@@ -29,7 +29,7 @@ d3.combobox = function() {
                 top: rect.height + 'px'
             });
 
-        carat = selection
+        selection
             .insert('a', ':first-child')
             .attr('class', 'combobox-carat')
             .style({