Gruntfile.js: Fix JSHint issues.

Gruntfile.js

@@ -1,30 +1,30 @@
 module.exports = function(grunt) {
 
-  // Project configuration.
-  grunt.initConfig({
-    pkg: grunt.file.readJSON('package.json'),
-    uglify: {
-      options: {
-        preserveComments: 'some'
-      },
-      build: {
-        src: 'jquery.mousewheel.js',
-        dest: 'build/jquery.mousewheel.min.js'
-      }
-    },
-    jshint: {
-      options: {
-        jshintrc: '.jshintrc'
-      },
-      all: ['*.js']
-    }
-  });
+    // Project configuration.
+    grunt.initConfig({
+        pkg: grunt.file.readJSON('package.json'),
+        uglify: {
+            options: {
+                preserveComments: 'some'
+            },
+            build: {
+                src: 'jquery.mousewheel.js',
+                dest: 'build/jquery.mousewheel.min.js'
+            }
+        },
+        jshint: {
+            options: {
+                jshintrc: '.jshintrc'
+            },
+            all: ['*.js']
+        }
+    });
 
-  // Load the plugin that provides the 'uglify' task.
-  grunt.loadNpmTasks('grunt-contrib-uglify');
-  grunt.loadNpmTasks('grunt-contrib-jshint');
+    // Load the plugin that provides the 'uglify' task.
+    grunt.loadNpmTasks('grunt-contrib-uglify');
+    grunt.loadNpmTasks('grunt-contrib-jshint');
 
-  // Default task(s).
-  grunt.registerTask('default', ['jshint', 'uglify']);
+    // Default task(s).
+    grunt.registerTask('default', ['jshint', 'uglify']);
 
 };