xalloc terminates the program abruptly if the requested amount of
memory couldn't be allocated. To insure that the errors are handled
cleanly, use zalloc instead.
Signed-off-by: Seedo Eldho Paul <seedoeldhopaul@gmail.com>
Acked-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Reviewed-by: Bryce Harrington <bryce@osg.samsung.com>