[XFS] Make some extended attributes routines take const parameters, for
the FreeBSD porters.

SGI-PV: 942906
SGI-Modid: xfs-linux:xfs-kern:23845a

Signed-off-by: Nathan Scott <nathans@sgi.com>
diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c
index 8e2597b..7e086c6 100644
--- a/fs/xfs/xfs_da_btree.c
+++ b/fs/xfs/xfs_da_btree.c
@@ -1604,7 +1604,7 @@
  * This is implemented with some source-level loop unrolling.
  */
 xfs_dahash_t
-xfs_da_hashname(uchar_t *name, int namelen)
+xfs_da_hashname(const uchar_t *name, int namelen)
 {
 	xfs_dahash_t hash;