stunnel: Add 4.56 version
stunnel: Add 4.56 version

Signed-off-by: Laszlo Papp <2164cc32668ec579454611fc5261234262c80421@kde.org>
Signed-off-by: Joe MacDonald <16a9a54ddf4259952e3c118c763138e83693d7fd@deserted.net>

WindRiver-OpenSourceLabs/meta-networking