This frees the string containing the name of the appliance
which was previously being leaked during launch.
(Found by valgrind).
kernel = NULL;
free (initrd);
initrd = NULL;
kernel = NULL;
free (initrd);
initrd = NULL;
+ free (appliance);
+ appliance = NULL;
/* Fork the recovery process off which will kill qemu if the parent
* process fails to do so (eg. if the parent segfaults).
/* Fork the recovery process off which will kill qemu if the parent
* process fails to do so (eg. if the parent segfaults).