gnutls: Fixed bug that prevented the rejection of v1 intermediate CA certificates.

gnutls: Fixed bug that prevented the rejection of v1 intermediate CA certificates.

This patch is for the OE-Core master branch - it comes from upstream:

>From 467478d8ff08a3cb4be3034ff04c9d08a0ceba3e
From: Nikos Mavrogiannopoulos <nmav@redhat.com>
Date: Wed, 12 Feb 2014 16:41:33 +0100

For more info see:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-1959
http://www.gnutls.org/security.html#GNUTLS-SA-2014-1
https://www.gitorious.org/gnutls/gnutls/commit/467478d8ff08a3cb4be3034ff04c9d08a0ceba3e

(From OE-Core rev: ea623966b9c48a640cac5c5a5415decca2329249)

Signed-off-by: Karl Hiramoto <karl@hiramoto.org>
Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>