server: Add get_sd and set_sd object operations to allow the security descriptor to be stored somewhere other than server memory, such as on disk.
diff --git a/server/change.c b/server/change.c
index c8966da..dc44980 100644
--- a/server/change.c
+++ b/server/change.c
@@ -171,6 +171,8 @@
     no_signal,                /* signal */
     dir_get_fd,               /* get_fd */
     default_fd_map_access,    /* map_access */
+    default_get_sd,           /* get_sd */
+    default_set_sd,           /* set_sd */
     no_lookup_name,           /* lookup_name */
     no_open_file,             /* open_file */
     fd_close_handle,          /* close_handle */