* mountlist.c: (xatoi) Removed, replaced by ISO strtoull.
(fstype_to_string): Cleaned.
(read_filesystem_list) : Changed prototype. Cleaned and secured.
Replaced broken free by g_free.
(ignore_mount_entry): Added.
(glibtop_get_mountlist_s): Cleaned. Better allocation algorithm.
@all_fs has now a real meaning, see the documentation.