This change is similar to the one made in
3017b71cb5.
We had a "loading package data..." message, followed by either "failed" or
"done", but it didn't take into account that other warnings / questions
could be displayed between.
Ref: http://archlinux.org/pipermail/pacman-dev/2008-January/010971.html
Signed-off-by: Chantry Xavier <shiningxc@gmail.com>
c23ecc6160