switch sys_chmod()/sys_fchmod()/sys_fchmodat() to umode_t

SYSCALLx magic should take care of things, according to Linus...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index b3c16d8..e1a4b9b 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -483,8 +483,8 @@
 asmlinkage long sys_unlink(const char __user *pathname);
 asmlinkage long sys_rename(const char __user *oldname,
 				const char __user *newname);
-asmlinkage long sys_chmod(const char __user *filename, mode_t mode);
-asmlinkage long sys_fchmod(unsigned int fd, mode_t mode);
+asmlinkage long sys_chmod(const char __user *filename, umode_t mode);
+asmlinkage long sys_fchmod(unsigned int fd, umode_t mode);
 
 asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg);
 #if BITS_PER_LONG == 32
@@ -769,7 +769,7 @@
 			      struct timeval __user *utimes);
 asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode);
 asmlinkage long sys_fchmodat(int dfd, const char __user * filename,
-			     mode_t mode);
+			     umode_t mode);
 asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user,
 			     gid_t group, int flag);
 asmlinkage long sys_openat(int dfd, const char __user *filename, int flags,