gnupg2 2.0.23

Update to latest stable release, update patch, change single quotes to
double quotes, and use https on the homepage link.

Closes #29842.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
gpg-agent 2.0.23

Update to latest stable release, update patch, change single quotes to
double quotes, and use https in homepage link.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>