xfs: sync minor header differences needed by userspace.

Little things like exported functions, __KERNEL__ protections, and
so on that ensure user and kernel shared headers are identical.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

diff --git a/fs/xfs/xfs_attr_leaf.h b/fs/xfs/xfs_attr_leaf.h
index 444a770..c102213 100644
--- a/fs/xfs/xfs_attr_leaf.h
+++ b/fs/xfs/xfs_attr_leaf.h
@@ -333,6 +333,8 @@
 			struct xfs_buf **bpp);
 void	xfs_attr3_leaf_hdr_from_disk(struct xfs_attr3_icleaf_hdr *to,
 				     struct xfs_attr_leafblock *from);
+void	xfs_attr3_leaf_hdr_to_disk(struct xfs_attr_leafblock *to,
+				   struct xfs_attr3_icleaf_hdr *from);
 
 extern const struct xfs_buf_ops xfs_attr3_leaf_buf_ops;