[Pkg-gnupg-maint] Bug#745408: [gnupg] You are right

[bastien ROUCARIES]

>> This source package contains the following files from the
>> IETF under non-free license terms:
>> 
>> doc/OpenPGP

>This file only referances an IETF RFC, so I do not believe it is non-free. Can 
>you elaborate on why you think this is the case?

You are right but I do not close the bug because:
- you should mention the copyright paragraph in debian/copyright (it is free because it comment and thus fall on without restriction of any
   kind clause of rfc license).
- you should add an explanation about this on lintian overide file

Bastien