diff --git a/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc.go b/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc.go
index 79f6e05..ed657ff 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc.go
@@ -83,6 +83,8 @@
 int pause();
 int pread64(int, uintptr_t, size_t, long long);
 int pwrite64(int, uintptr_t, size_t, long long);
+#define c_select select
+int select(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
 int pselect(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t, uintptr_t);
 int setregid(int, int);
 int setreuid(int, int);
@@ -103,8 +105,8 @@
 int getsockname(int, uintptr_t, uintptr_t);
 int recvfrom(int, uintptr_t, size_t, int, uintptr_t, uintptr_t);
 int sendto(int, uintptr_t, size_t, int, uintptr_t, uintptr_t);
-int recvmsg(int, uintptr_t, int);
-int sendmsg(int, uintptr_t, int);
+int nrecvmsg(int, uintptr_t, int);
+int nsendmsg(int, uintptr_t, int);
 int munmap(uintptr_t, uintptr_t);
 int madvise(uintptr_t, size_t, int);
 int mprotect(uintptr_t, size_t, int);
@@ -118,6 +120,8 @@
 int gettimeofday(uintptr_t, uintptr_t);
 int time(uintptr_t);
 int utime(uintptr_t, uintptr_t);
+unsigned long long getsystemcfg(int);
+int umount(uintptr_t);
 int getrlimit64(int, uintptr_t);
 int setrlimit64(int, uintptr_t);
 long long lseek64(int, long long, int);
@@ -855,7 +859,7 @@
 
 // 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) {
 	r0, er := C.fstat(C.int(fd), C.uintptr_t(uintptr(unsafe.Pointer(stat))))
 	if r0 == -1 && er != nil {
 		err = er
@@ -865,7 +869,7 @@
 
 // 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) {
 	_p0 := uintptr(unsafe.Pointer(C.CString(path)))
 	r0, er := C.fstatat(C.int(dirfd), C.uintptr_t(_p0), C.uintptr_t(uintptr(unsafe.Pointer(stat))), C.int(flags))
 	if r0 == -1 && er != nil {
@@ -949,7 +953,7 @@
 
 // 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) {
 	_p0 := uintptr(unsafe.Pointer(C.CString(path)))
 	r0, er := C.lstat(C.uintptr_t(_p0), C.uintptr_t(uintptr(unsafe.Pointer(stat))))
 	if r0 == -1 && er != nil {
@@ -1004,6 +1008,17 @@
 
 // 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, er := C.c_select(C.int(nfd), C.uintptr_t(uintptr(unsafe.Pointer(r))), C.uintptr_t(uintptr(unsafe.Pointer(w))), C.uintptr_t(uintptr(unsafe.Pointer(e))), C.uintptr_t(uintptr(unsafe.Pointer(timeout))))
+	n = int(r0)
+	if r0 == -1 && er != nil {
+		err = er
+	}
+	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, er := C.pselect(C.int(nfd), C.uintptr_t(uintptr(unsafe.Pointer(r))), C.uintptr_t(uintptr(unsafe.Pointer(w))), C.uintptr_t(uintptr(unsafe.Pointer(e))), C.uintptr_t(uintptr(unsafe.Pointer(timeout))), C.uintptr_t(uintptr(unsafe.Pointer(sigmask))))
 	n = int(r0)
@@ -1056,9 +1071,9 @@
 
 // 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) {
 	_p0 := uintptr(unsafe.Pointer(C.CString(path)))
-	r0, er := C.stat(C.uintptr_t(_p0), C.uintptr_t(uintptr(unsafe.Pointer(stat))))
+	r0, er := C.stat(C.uintptr_t(_p0), C.uintptr_t(uintptr(unsafe.Pointer(statptr))))
 	if r0 == -1 && er != nil {
 		err = er
 	}
@@ -1225,7 +1240,7 @@
 // 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, er := C.recvmsg(C.int(s), C.uintptr_t(uintptr(unsafe.Pointer(msg))), C.int(flags))
+	r0, er := C.nrecvmsg(C.int(s), C.uintptr_t(uintptr(unsafe.Pointer(msg))), C.int(flags))
 	n = int(r0)
 	if r0 == -1 && er != nil {
 		err = er
@@ -1236,7 +1251,7 @@
 // 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, er := C.sendmsg(C.int(s), C.uintptr_t(uintptr(unsafe.Pointer(msg))), C.int(flags))
+	r0, er := C.nsendmsg(C.int(s), C.uintptr_t(uintptr(unsafe.Pointer(msg))), C.int(flags))
 	n = int(r0)
 	if r0 == -1 && er != nil {
 		err = er
@@ -1409,6 +1424,25 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Getsystemcfg(label int) (n uint64) {
+	r0, _ := C.getsystemcfg(C.int(label))
+	n = uint64(r0)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func umount(target string) (err error) {
+	_p0 := uintptr(unsafe.Pointer(C.CString(target)))
+	r0, er := C.umount(C.uintptr_t(_p0))
+	if r0 == -1 && er != nil {
+		err = er
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Getrlimit(resource int, rlim *Rlimit) (err error) {
 	r0, er := C.getrlimit64(C.int(resource), C.uintptr_t(uintptr(unsafe.Pointer(rlim))))
 	if r0 == -1 && er != nil {