Fixed #10265: fixed a bug when generating a password reset token for a user...

Fixed #10265: fixed a bug when generating a password reset token for a user created on the same request. Thanks, crucialfelix.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@10341 bcc190cf-cafb-0310-a4f2-bffc1f526a37