server: Refuse to close handles in other processes if they have an associated fd.
diff --git a/server/change.c b/server/change.c
index e046181..5468e85 100644
--- a/server/change.c
+++ b/server/change.c
@@ -177,7 +177,7 @@
     dir_get_fd,               /* get_fd */
     dir_map_access,           /* map_access */
     no_lookup_name,           /* lookup_name */
-    no_close_handle,          /* close_handle */
+    fd_close_handle,          /* close_handle */
     dir_destroy               /* destroy */
 };