libgksu: Re-Added

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackware-id.org>
gksu: Re-Added

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackware-id.org>
Added note about how to fix gksu problem

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackware-id.org>