fs: avoid using forEach

PR-URL: #11582 Reviewed-By: Matteo Collina <[email protected]> Reviewed-By: Colin Ihrig <[email protected]>

Author: jasnell

lib/fs.js

@@ -200,10 +200,11 @@ fs.Stats.prototype.isSocket = function(){
 };
 
 // Don't allow mode to accidentally be overwritten.
-['F_OK','R_OK','W_OK','X_OK'].forEach(function(key){
-Object.defineProperty(fs,key,{
-enumerable: true,value: constants[key]||0,writable: false
-});
+Object.defineProperties(fs,{
+F_OK: {enumerable: true,value: constants.F_OK||0},
+R_OK: {enumerable: true,value: constants.R_OK||0},
+W_OK: {enumerable: true,value: constants.W_OK||0},
+X_OK: {enumerable: true,value: constants.X_OK||0},
 });
 
 functionhandleError(val,callback){