Fix workaround for ErrorExit().

r123775 contained copy-paste left-over that caused the code to throw a NameError
instead of a HTTPError.

R=petermayo@chromium.org
BUG=
TEST=


Review URL: http://codereview.chromium.org/9536014

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@124184 0039d316-1c4b-4281-b951-d872f2087c98

rietveld.py

@@ -320,8 +320,7 @@ class Rietveld(object):
         m = re.search(r'(50\d) Server Error', msg)
         if m:
           # Fake an HTTPError exception. Cheezy. :(
-          raise urllib2.HTTPError(
-              request_path, m.group(1), e.args[0], None, None)
+          raise urllib2.HTTPError(request_path, m.group(1), msg, None, None)
         old_error_exit(msg)
       upload.ErrorExit = trap_http_500