unix: change MemfdCreate flags parameter to int for all GOARCHes

For some reason I didn't completely re-generate the zsyscall_linux_*
files for all GOARCHes during review of CL 135915. Do so now such that
the flags parameter is of type int on all GOARCHes.

Change-Id: Ifc4afacfbedb70f3818b23ed3ea468745bbdb455
Reviewed-on: https://go-review.googlesource.com/136296
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

unix/zsyscall_linux_ppc64.go

@@ -979,7 +979,7 @@ func Lsetxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func MemfdCreate(name string, flags uint) (fd int, err error) {
+func MemfdCreate(name string, flags int) (fd int, err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(name)
 	if err != nil {

unix/zsyscall_linux_ppc64le.go

@@ -979,7 +979,7 @@ func Lsetxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func MemfdCreate(name string, flags uint) (fd int, err error) {
+func MemfdCreate(name string, flags int) (fd int, err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(name)
 	if err != nil {

unix/zsyscall_linux_riscv64.go

@@ -979,7 +979,7 @@ func Lsetxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func MemfdCreate(name string, flags uint) (fd int, err error) {
+func MemfdCreate(name string, flags int) (fd int, err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(name)
 	if err != nil {

unix/zsyscall_linux_s390x.go

@@ -979,7 +979,7 @@ func Lsetxattr(path string, attr string, data []byte, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func MemfdCreate(name string, flags uint) (fd int, err error) {
+func MemfdCreate(name string, flags int) (fd int, err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(name)
 	if err != nil {