diff --git a/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64.go b/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64.go
index e645a05..664b293 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64.go
@@ -803,7 +803,7 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Fstat(fd int, stat *Stat_t) (err error) {
+func fstat(fd int, stat *Stat_t) (err error) {
 	_, e1 := callfstat(fd, uintptr(unsafe.Pointer(stat)))
 	if e1 != 0 {
 		err = errnoErr(e1)
@@ -813,7 +813,7 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) {
+func fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
 	if err != nil {
@@ -905,7 +905,7 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Lstat(path string, stat *Stat_t) (err error) {
+func lstat(path string, stat *Stat_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
 	if err != nil {
@@ -960,6 +960,17 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
+	r0, e1 := callselect(nfd, uintptr(unsafe.Pointer(r)), uintptr(unsafe.Pointer(w)), uintptr(unsafe.Pointer(e)), uintptr(unsafe.Pointer(timeout)))
+	n = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Pselect(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timespec, sigmask *Sigset_t) (n int, err error) {
 	r0, e1 := callpselect(nfd, uintptr(unsafe.Pointer(r)), uintptr(unsafe.Pointer(w)), uintptr(unsafe.Pointer(e)), uintptr(unsafe.Pointer(timeout)), uintptr(unsafe.Pointer(sigmask)))
 	n = int(r0)
@@ -1012,13 +1023,13 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Stat(path string, stat *Stat_t) (err error) {
+func stat(path string, statptr *Stat_t) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
 	if err != nil {
 		return
 	}
-	_, e1 := callstat(uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(stat)))
+	_, e1 := callstat(uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(statptr)))
 	if e1 != 0 {
 		err = errnoErr(e1)
 	}
@@ -1189,7 +1200,7 @@
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func recvmsg(s int, msg *Msghdr, flags int) (n int, err error) {
-	r0, e1 := callrecvmsg(s, uintptr(unsafe.Pointer(msg)), flags)
+	r0, e1 := callnrecvmsg(s, uintptr(unsafe.Pointer(msg)), flags)
 	n = int(r0)
 	if e1 != 0 {
 		err = errnoErr(e1)
@@ -1200,7 +1211,7 @@
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
 func sendmsg(s int, msg *Msghdr, flags int) (n int, err error) {
-	r0, e1 := callsendmsg(s, uintptr(unsafe.Pointer(msg)), flags)
+	r0, e1 := callnsendmsg(s, uintptr(unsafe.Pointer(msg)), flags)
 	n = int(r0)
 	if e1 != 0 {
 		err = errnoErr(e1)
@@ -1367,6 +1378,29 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getsystemcfg(label int) (n uint64) {
+	r0, _ := callgetsystemcfg(label)
+	n = uint64(r0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func umount(target string) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(target)
+	if err != nil {
+		return
+	}
+	_, e1 := callumount(uintptr(unsafe.Pointer(_p0)))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Getrlimit(resource int, rlim *Rlimit) (err error) {
 	_, e1 := callgetrlimit(resource, uintptr(unsafe.Pointer(rlim)))
 	if e1 != 0 {