fix dup_count indicator

notification.c

@@ -428,6 +428,8 @@ void notification_update_text_to_render(notification *n)
                 buf = g_strdup_printf("(%s%s) %s",
                                       n->actions ? "A" : "",
                                       n->urls ? "U" : "", msg);
+        } else if (n->dup_count > 0) {
+                buf = g_strdup_printf("(%d) %s", n->dup_count, msg);
         } else {
                 buf = g_strdup(msg);
         }