watch for windows without frames, they can be in the transient order before they get fully managed

openbox/stacking.c

@@ -81,6 +81,7 @@ static void raise_recursive(Client *client)
 
     /* raise transients first */
     for (sit = client->transients; sit; sit = sit->next)
+        if (((Client*)sit->data)->frame)
             raise_recursive(sit->data);
 
     /* find 'it' where it is the positiion in the stacking order where