switch ->mknod() to umode_t

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/xfs/xfs_iops.c

@@ -168,7 +168,7 @@ STATIC int
 xfs_vn_mknod(
 	struct inode	*dir,
 	struct dentry	*dentry,
-	int		mode,
+	umode_t		mode,
 	dev_t		rdev)
 {
 	struct inode	*inode;