Add comments setting emacs and vim tab width and expansion variables....

third_party/bsdiff/bsdiff.gyp

 # Copyright (c) 2009 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'targets': [
     {
       'target_name': 'bsdiff',
       'type': 'executable',
       'msvs_guid': 'E1D0B89E-257B-4BCA-A0C6-A2CD997A2FDC',
       'dependencies': [
         '../bspatch/bspatch.gyp:bspatch',
       ],
       'link_settings': {
         'libraries': [
           '-lWs2_32.lib',
         ],
       },
       'sources': [
         'mbsdiff.cc',
       ],
     },
   ],
 }
+
+# Local Variables:
+# tab-width:2
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=2 shiftwidth=2: