fix(build): closure build needs @ngInject annotation

It was labeled as "@ngInjdect" instead of "@ngInject".

Refs #7610. Closes #7613

Author: crisbeto

src/components/menuBar/js/menuBarDirective.js

@@ -92,10 +92,7 @@ angular
   .module('material.components.menuBar')
   .directive('mdMenuBar', MenuBarDirective);
 
-/**
- *
- * @ngInjdect
- */
+/* @ngInject */
 function MenuBarDirective($mdUtil, $mdTheming) {
   return {
     restrict: 'E',

src/components/menuBar/js/menuItemDirective.js

@@ -3,10 +3,7 @@ angular
   .module('material.components.menuBar')
   .directive('mdMenuItem', MenuItemDirective);
 
- /**
-  *
-  * @ngInjdect
-  */
+ /* @ngInject */
 function MenuItemDirective() {
   return {
     require: ['mdMenuItem', '?ngModel'],