reiserfs: constify xattr_handler

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/include/linux/reiserfs_xattr.h b/include/linux/reiserfs_xattr.h
index 7fa02b4..b2cf208 100644
--- a/include/linux/reiserfs_xattr.h
+++ b/include/linux/reiserfs_xattr.h
@@ -58,9 +58,9 @@
 			      struct inode *, const char *, const void *,
 			      size_t, int);
 
-extern struct xattr_handler reiserfs_xattr_user_handler;
-extern struct xattr_handler reiserfs_xattr_trusted_handler;
-extern struct xattr_handler reiserfs_xattr_security_handler;
+extern const struct xattr_handler reiserfs_xattr_user_handler;
+extern const struct xattr_handler reiserfs_xattr_trusted_handler;
+extern const struct xattr_handler reiserfs_xattr_security_handler;
 #ifdef CONFIG_REISERFS_FS_SECURITY
 int reiserfs_security_init(struct inode *dir, struct inode *inode,
 			   struct reiserfs_security_handle *sec);