Fix uploading binary files to rietveld.

gcl.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """\
 Wrapper script around Rietveld's upload.py that simplifies working with groups
 of files.
 """
 
@@ skipping 829 matching lines @@
       return '--title' + a[9:]
     return a
   args = map(replace_message, args)
   if found_deprecated_arg[0]:
     print >> sys.stderr, (
         '\nWARNING: Use -t or --title to set the title of the patchset.\n'
         'In the near future, -m or --message will send a message instead.\n'
         'See http://goo.gl/JGg0Z for details.\n')
 
   upload_arg = ["upload.py", "-y"]
-  upload_arg.append("--server=%s" % change_info.rietveld)
+  upload_arg.append("--server=%s" % change_info.rietveld.encode('utf-8'))
 
   reviewers = change_info.get_reviewers() or output.reviewers
   if (reviewers and
       not any(arg.startswith('-r') or arg.startswith('--reviewer') for
               arg in args)):
     upload_arg.append('--reviewers=%s' % ','.join(reviewers))
 
   upload_arg.extend(args)
 
   desc_file = None
@@ skipping 606 matching lines @@
       raise
     print >> sys.stderr, (
         'AppEngine is misbehaving and returned HTTP %d, again. Keep faith '
         'and retry or visit go/isgaeup.\n%s') % (e.code, str(e))
     return 1
 
 
 if __name__ == "__main__":
   fix_encoding.fix_encoding()
   sys.exit(main(sys.argv[1:]))