Bump to v4.17.3.

_equalObjects.js

@@ -1,4 +1,4 @@
-var keys = require('./keys');
+var getAllKeys = require('./_getAllKeys');
 
 /** Used to compose bitmasks for value comparisons. */
 var COMPARE_PARTIAL_FLAG = 1;
@@ -24,9 +24,9 @@ var hasOwnProperty = objectProto.hasOwnProperty;
  */
 function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
   var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
-      objProps = keys(object),
+      objProps = getAllKeys(object),
       objLength = objProps.length,
-      othProps = keys(other),
+      othProps = getAllKeys(other),
       othLength = othProps.length;
 
   if (objLength != othLength && !isPartial) {