jffs2: constify xattr_handler

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/jffs2/acl.h b/fs/jffs2/acl.h
index f0ba63e..5e42de8 100644
--- a/fs/jffs2/acl.h
+++ b/fs/jffs2/acl.h
@@ -31,8 +31,8 @@
 extern int jffs2_init_acl_pre(struct inode *, struct inode *, int *);
 extern int jffs2_init_acl_post(struct inode *);
 
-extern struct xattr_handler jffs2_acl_access_xattr_handler;
-extern struct xattr_handler jffs2_acl_default_xattr_handler;
+extern const struct xattr_handler jffs2_acl_access_xattr_handler;
+extern const struct xattr_handler jffs2_acl_default_xattr_handler;
 
 #else