Update vendor dir

vendor/golang.org/x/sys/unix/syscall_openbsd.go

@@ -158,6 +158,15 @@ func IoctlGetTermios(fd int, req uint) (*Termios, error) {
 	return &value, err
 }
 
+//sys	ppoll(fds *PollFd, nfds int, timeout *Timespec, sigmask *Sigset_t) (n int, err error)
+
+func Ppoll(fds []PollFd, timeout *Timespec, sigmask *Sigset_t) (n int, err error) {
+	if len(fds) == 0 {
+		return ppoll(nil, 0, timeout, sigmask)
+	}
+	return ppoll(&fds[0], len(fds), timeout, sigmask)
+}
+
 func Uname(uname *Utsname) error {
 	mib := []_C_int{CTL_KERN, KERN_OSTYPE}
 	n := unsafe.Sizeof(uname.Sysname)
@@ -224,6 +233,7 @@ func Uname(uname *Utsname) error {
 //sys	Fchmod(fd int, mode uint32) (err error)
 //sys	Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
 //sys	Fchown(fd int, uid int, gid int) (err error)
+//sys	Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
 //sys	Flock(fd int, how int) (err error)
 //sys	Fpathconf(fd int, name int) (val int, err error)
 //sys	Fstat(fd int, stat *Stat_t) (err error)
@@ -250,19 +260,26 @@ func Uname(uname *Utsname) error {
 //sys	Kqueue() (fd int, err error)
 //sys	Lchown(path string, uid int, gid int) (err error)
 //sys	Link(path string, link string) (err error)
+//sys	Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error)
 //sys	Listen(s int, backlog int) (err error)
 //sys	Lstat(path string, stat *Stat_t) (err error)
 //sys	Mkdir(path string, mode uint32) (err error)
+//sys	Mkdirat(dirfd int, path string, mode uint32) (err error)
 //sys	Mkfifo(path string, mode uint32) (err error)
+//sys	Mkfifoat(dirfd int, path string, mode uint32) (err error)
 //sys	Mknod(path string, mode uint32, dev int) (err error)
+//sys	Mknodat(dirfd int, path string, mode uint32, dev int) (err error)
 //sys	Nanosleep(time *Timespec, leftover *Timespec) (err error)
 //sys	Open(path string, mode int, perm uint32) (fd int, err error)
+//sys	Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error)
 //sys	Pathconf(path string, name int) (val int, err error)
 //sys	Pread(fd int, p []byte, offset int64) (n int, err error)
 //sys	Pwrite(fd int, p []byte, offset int64) (n int, err error)
 //sys	read(fd int, p []byte) (n int, err error)
 //sys	Readlink(path string, buf []byte) (n int, err error)
+//sys	Readlinkat(dirfd int, path string, buf []byte) (n int, err error)
 //sys	Rename(from string, to string) (err error)
+//sys	Renameat(fromfd int, from string, tofd int, to string) (err error)
 //sys	Revoke(path string) (err error)
 //sys	Rmdir(path string) (err error)
 //sys	Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
@@ -285,10 +302,12 @@ func Uname(uname *Utsname) error {
 //sys	Stat(path string, stat *Stat_t) (err error)
 //sys	Statfs(path string, stat *Statfs_t) (err error)
 //sys	Symlink(path string, link string) (err error)
+//sys	Symlinkat(oldpath string, newdirfd int, newpath string) (err error)
 //sys	Sync() (err error)
 //sys	Truncate(path string, length int64) (err error)
 //sys	Umask(newmask int) (oldmask int)
 //sys	Unlink(path string) (err error)
+//sys	Unlinkat(dirfd int, path string, flags int) (err error)
 //sys	Unmount(path string, flags int) (err error)
 //sys	write(fd int, p []byte) (n int, err error)
 //sys	mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error)
@@ -311,15 +330,11 @@ func Uname(uname *Utsname) error {
 // clock_settime
 // closefrom
 // execve
-// faccessat
-// fchmodat
-// fchownat
 // fcntl
 // fhopen
 // fhstat
 // fhstatfs
 // fork
-// fstatat
 // futimens
 // getfh
 // getgid
@@ -333,12 +348,8 @@ func Uname(uname *Utsname) error {
 // lfs_markv
 // lfs_segclean
 // lfs_segwait
-// linkat
 // mincore
 // minherit
-// mkdirat
-// mkfifoat
-// mknodat
 // mount
 // mquery
 // msgctl
@@ -347,12 +358,10 @@ func Uname(uname *Utsname) error {
 // msgsnd
 // nfssvc
 // nnpfspioctl
-// openat
 // preadv
 // profil
 // pwritev
 // quotactl
-// readlinkat
 // readv
 // reboot
 // renameat
@@ -373,13 +382,11 @@ func Uname(uname *Utsname) error {
 // sigprocmask
 // sigreturn
 // sigsuspend
-// symlinkat
 // sysarch
 // syscall
 // threxit
 // thrsigdivert
 // thrsleep
 // thrwakeup
-// unlinkat
 // vfork
 // writev