Stoppp using trippple consonants

tools/gyp/configurations_xcode.gypi

 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 # The purpose of this file and others in this directory is to simulate
-# the Chromium build enviroment. This file is included in all GYP
+# the Chromium build environment. This file is included in all GYP
 # files that are used by the Dart project.
 
 # READ BEFORE EDITING:
 # Do not add Dart VM specific configuration to this file. Instead,
 # modify runtime/tools/gyp/runtime-configurations.gypi.
 
 {
   'variables': {
     'xcode_gcc_version%': '<!(python <(DEPTH)/tools/gyp/find_mac_gcc_version.py)',
   },
@@ skipping 89 matching lines @@
         'xcode_settings': {
           'OTHER_CFLAGS': [
             '-fomit-frame-pointer',
             '-momit-leaf-frame-pointer',
           ],
         },
       },
     },
   },
 }