From b2dd63d3106a97f3381f6cac36963c784a046e00 Mon Sep 17 00:00:00 2001
From: Bernard Xiong <bernard.xiong@gmail.com>
Date: Tue, 19 Sep 2017 12:15:22 +0800
Subject: [PATCH] Update .gitignore.

---
 .gitignore | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.gitignore b/.gitignore
index ecee2c932e..c33368219b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,6 +9,7 @@
 *.pdb
 *.idb
 *.ilk
+*.old
 build
 Debug
 documentation/html