ANSIfy syscall args

ANSIfy syscall args

SCCS-vsn: sys/kern/vfs_syscalls.c 7.93
SCCS-vsn: sys/hp/hpux/hpux_compat.c 7.27
SCCS-vsn: sys/nfs/nfs_syscalls.c 7.32
SCCS-vsn: sys/kern/kern_acct.c 7.25
SCCS-vsn: sys/kern/kern_descrip.c 7.37
SCCS-vsn: sys/kern/kern_exec.c 7.65
SCCS-vsn: sys/kern/kern_exit.c 7.48
SCCS-vsn: sys/kern/kern_fork.c 7.38
SCCS-vsn: sys/kern/kern_sysctl.c 7.24
SCCS-vsn: sys/kern/kern_ktrace.c 7.20
SCCS-vsn: sys/kern/kern_prot.c 7.25
SCCS-vsn: sys/kern/kern_resource.c 7.21
SCCS-vsn: sys/kern/kern_sig.c 7.50
SCCS-vsn: sys/kern/kern_time.c 7.18
SCCS-vsn: sys/kern/kern_xxx.c 7.19
SCCS-vsn: sys/kern/subr_prof.c 7.17