Bump to v4.16.5.

_arrayMap.js

@@ -11,7 +11,7 @@ define([], function() {
    */
   function arrayMap(array, iteratee) {
     var index = -1,
-        length = array ? array.length : 0,
+        length = array == null ? 0 : array.length,
         result = Array(length);
 
     while (++index < length) {