The torrent example does not have its own code to work with SHA-1,
it uses QCryptographicHash instead.
Change-Id: Ided0e3dcded1096feb3366682c97530c4cec0a14
Reviewed-by: Lisandro Damián Nicanor Pérez Meyer <perezmeyer@gmail.com>
Reviewed-by: Sami Makkonen <sami.makkonen@digia.com>
Reviewed-by: Topi Reiniö <topi.reinio@digia.com>