switch ->create() to umode_t

vfs_create() ignores everything outside of 16bit subset of its
mode argument; switching it to umode_t is obviously equivalent
and it's the only caller of the method

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

fs/xfs/xfs_iops.c

@@ -231,7 +231,7 @@ STATIC int
 xfs_vn_create(
 	struct inode	*dir,
 	struct dentry	*dentry,
-	int		mode,
+	umode_t		mode,
 	struct nameidata *nd)
 {
 	return xfs_vn_mknod(dir, dentry, mode, 0);