Bump to v4.17.3.

_getSymbols.js

@@ -1,4 +1,10 @@
-define(['./_overArg', './stubArray'], function(overArg, stubArray) {
+define(['./_arrayFilter', './stubArray'], function(arrayFilter, stubArray) {
+
+  /** Used for built-in method references. */
+  var objectProto = Object.prototype;
+
+  /** Built-in value references. */
+  var propertyIsEnumerable = objectProto.propertyIsEnumerable;
 
   /* Built-in method references for those with the same name as other `lodash` methods. */
   var nativeGetSymbols = Object.getOwnPropertySymbols;
@@ -10,7 +16,15 @@ define(['./_overArg', './stubArray'], function(overArg, stubArray) {
    * @param {Object} object The object to query.
    * @returns {Array} Returns the array of symbols.
    */
-  var getSymbols = nativeGetSymbols ? overArg(nativeGetSymbols, Object) : stubArray;
+  var getSymbols = !nativeGetSymbols ? stubArray : function(object) {
+    if (object == null) {
+      return [];
+    }
+    object = Object(object);
+    return arrayFilter(nativeGetSymbols(object), function(symbol) {
+      return propertyIsEnumerable.call(object, symbol);
+    });
+  };
 
   return getSymbols;
 });