docs(linky): update example to use a module

src/ngSanitize/filter/linky.js

@@ -21,20 +21,21 @@
    <span ng-bind-html="linky_expression | linky"></span>
  *
  * @example
-   <example module="ngSanitize" deps="angular-sanitize.js">
+   <example module="linkyExample" deps="angular-sanitize.js">
      <file name="index.html">
        <script>
-         function Ctrl($scope) {
-           $scope.snippet =
-             'Pretty text with some links:\n'+
-             'http://angularjs.org/,\n'+
-             'mailto:us@somewhere.org,\n'+
-             'another@somewhere.org,\n'+
-             'and one more: ftp://127.0.0.1/.';
-           $scope.snippetWithTarget = 'http://angularjs.org/';
-         }
+         angular.module('linkyExample', ['ngSanitize'])
+           .controller('ExampleController', ['$scope', function($scope) {
+             $scope.snippet =
+               'Pretty text with some links:\n'+
+               'http://angularjs.org/,\n'+
+               'mailto:us@somewhere.org,\n'+
+               'another@somewhere.org,\n'+
+               'and one more: ftp://127.0.0.1/.';
+             $scope.snippetWithTarget = 'http://angularjs.org/';
+           }]);
        </script>
-       <div ng-controller="Ctrl">
+       <div ng-controller="ExampleController">
        Snippet: <textarea ng-model="snippet" cols="60" rows="3"></textarea>
        <table>
          <tr>