Bump to v4.0.3.

lodash.isplainobject/README.md

@@ -1,4 +1,4 @@
-# lodash.isplainobject v4.0.2
+# lodash.isplainobject v4.0.3
 
 The [lodash](https://lodash.com/) method `_.isPlainObject` exported as a [Node.js](https://nodejs.org/) module.
 
@@ -15,4 +15,4 @@ In Node.js:
 var isPlainObject = require('lodash.isplainobject');
 ```
 
-See the [documentation](https://lodash.com/docs#isPlainObject) or [package source](https://github.com/lodash/lodash/blob/4.0.2-npm-packages/lodash.isplainobject) for more details.
+See the [documentation](https://lodash.com/docs#isPlainObject) or [package source](https://github.com/lodash/lodash/blob/4.0.3-npm-packages/lodash.isplainobject) for more details.

lodash.isplainobject/index.js

@@ -1,5 +1,5 @@
 /**
- * lodash 4.0.2 (Custom Build) <https://lodash.com/>
+ * lodash 4.0.3 (Custom Build) <https://lodash.com/>
  * Build: `lodash modularize exports="npm" -o ./`
  * Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
  * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
@@ -106,10 +106,7 @@ function isPlainObject(value) {
       objectToString.call(value) != objectTag || isHostObject(value)) {
     return false;
   }
-  var proto = objectProto;
-  if (typeof value.constructor == 'function') {
-    proto = getPrototypeOf(value);
-  }
+  var proto = getPrototypeOf(value);
   if (proto === null) {
     return true;
   }

lodash.isplainobject/package.json

@@ -1,6 +1,6 @@
 {
   "name": "lodash.isplainobject",
-  "version": "4.0.2",
+  "version": "4.0.3",
   "description": "The lodash method `_.isPlainObject` exported as a module.",
   "homepage": "https://lodash.com/",
   "icon": "https://lodash.com/icon.svg",