diff --git a/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64_gccgo.go b/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64_gccgo.go
index cde4dbc..e88a442 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64_gccgo.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_aix_ppc64_gccgo.go
@@ -83,8 +83,6 @@
 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);
@@ -105,8 +103,8 @@
 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 nrecvmsg(int, uintptr_t, int);
-int nsendmsg(int, uintptr_t, int);
+int recvmsg(int, uintptr_t, int);
+int sendmsg(int, uintptr_t, int);
 int munmap(uintptr_t, uintptr_t);
 int madvise(uintptr_t, size_t, int);
 int mprotect(uintptr_t, size_t, int);
@@ -120,8 +118,6 @@
 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 getrlimit(int, uintptr_t);
 int setrlimit(int, uintptr_t);
 long long lseek(int, long long, int);
@@ -735,14 +731,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func callselect(nfd int, r uintptr, w uintptr, e uintptr, timeout uintptr) (r1 uintptr, e1 Errno) {
-	r1 = uintptr(C.c_select(C.int(nfd), C.uintptr_t(r), C.uintptr_t(w), C.uintptr_t(e), C.uintptr_t(timeout)))
-	e1 = syscall.GetErrno()
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func callpselect(nfd int, r uintptr, w uintptr, e uintptr, timeout uintptr, sigmask uintptr) (r1 uintptr, e1 Errno) {
 	r1 = uintptr(C.pselect(C.int(nfd), C.uintptr_t(r), C.uintptr_t(w), C.uintptr_t(e), C.uintptr_t(timeout), C.uintptr_t(sigmask)))
 	e1 = syscall.GetErrno()
@@ -783,8 +771,8 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func callstat(_p0 uintptr, statptr uintptr) (r1 uintptr, e1 Errno) {
-	r1 = uintptr(C.stat(C.uintptr_t(_p0), C.uintptr_t(statptr)))
+func callstat(_p0 uintptr, stat uintptr) (r1 uintptr, e1 Errno) {
+	r1 = uintptr(C.stat(C.uintptr_t(_p0), C.uintptr_t(stat)))
 	e1 = syscall.GetErrno()
 	return
 }
@@ -903,16 +891,16 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func callnrecvmsg(s int, msg uintptr, flags int) (r1 uintptr, e1 Errno) {
-	r1 = uintptr(C.nrecvmsg(C.int(s), C.uintptr_t(msg), C.int(flags)))
+func callrecvmsg(s int, msg uintptr, flags int) (r1 uintptr, e1 Errno) {
+	r1 = uintptr(C.recvmsg(C.int(s), C.uintptr_t(msg), C.int(flags)))
 	e1 = syscall.GetErrno()
 	return
 }
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func callnsendmsg(s int, msg uintptr, flags int) (r1 uintptr, e1 Errno) {
-	r1 = uintptr(C.nsendmsg(C.int(s), C.uintptr_t(msg), C.int(flags)))
+func callsendmsg(s int, msg uintptr, flags int) (r1 uintptr, e1 Errno) {
+	r1 = uintptr(C.sendmsg(C.int(s), C.uintptr_t(msg), C.int(flags)))
 	e1 = syscall.GetErrno()
 	return
 }
@@ -1023,22 +1011,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func callgetsystemcfg(label int) (r1 uintptr, e1 Errno) {
-	r1 = uintptr(C.getsystemcfg(C.int(label)))
-	e1 = syscall.GetErrno()
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func callumount(_p0 uintptr) (r1 uintptr, e1 Errno) {
-	r1 = uintptr(C.umount(C.uintptr_t(_p0)))
-	e1 = syscall.GetErrno()
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func callgetrlimit(resource int, rlim uintptr) (r1 uintptr, e1 Errno) {
 	r1 = uintptr(C.getrlimit(C.int(resource), C.uintptr_t(rlim)))
 	e1 = syscall.GetErrno()