Fixed typo and added new author

- Changed "Formating" to "Formatting" in comment
- Added Maxim Mazurok <maxim@mazurok.com> to AUTHORS file as required by
https://www.chromium.org/developers/contributing-code#TOC-Legal-stuff

Change-Id: I48633694975879013c983580fa9b8c71dcb2e8f4
Reviewed-on: https://chromium-review.googlesource.com/c/1379231
Commit-Queue: Yang Guo <yangguo@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58303}

AUTHORS

@@ -115,6 +115,7 @@ Matheus Marchini <mat@mmarchini.me>
 Mathias Bynens <mathias@qiwi.be>
 Matt Hanselman <mjhanselman@gmail.com>
 Matthew Sporleder <msporleder@gmail.com>
+Maxim Mazurok <maxim@mazurok.com>
 Maxim Mossienko <maxim.mossienko@gmail.com>
 Michael Lutz <michi@icosahedron.de>
 Michael Smith <mike@w3.org>

test/webkit/nested-functions.js

@@ -32,7 +32,7 @@ var passed4 = false;
 
 // Test cases deliberately nested!
 function runTests() {
-    // Formating of these functions is significant for regression
+    // Formatting of these functions is significant for regression
     // testing; functions with small bodies are not cached!
     function test1() { return this; }
     function test2() { "use strict"; return this; }