prog: sort enabled syscalls for determinism
prog: sort enabled syscalls for determinism

Makes tests deterministic and syz-mutate with -seed flag.

Pointed out by Jordan Frank (@jwf).

google/syzkaller,google/syzkaller,google/syzkaller,xairy/syzkaller,google/syzkaller,xairy/syzkaller,xairy/syzkaller,xairy/syzkaller,google/syzkaller,xairy/syzkaller,xairy/syzkaller,xairy/syzkaller,google/syzkaller,google/syzkaller