apply-patches.sh: applying xz-ed patches

Signed-off-by: Jerzy Grzegorek <jerzy.grzegorek@trzebnica.net>
[yann.morin.1998@free.fr: space-damage]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>