From 91ef25a59e1181158020dc08ac8f561951e6d0c5 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Wed, 26 Sep 2018 18:17:32 -0700
Subject: [PATCH] appveyor - single quote cache.

---
 appveyor.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/appveyor.yml b/appveyor.yml
index 71d527514..2fceea08b 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -43,7 +43,7 @@ matrix:
   fast_finish: true
 
 cache:
-  - "%CABAL_STORE%"
+  - '%CABAL_STORE%'
 
 # Note: to reset build cache, do the following in JavaScript
 # console on appveyor: