From e51bef6d12c4d80babbd6d24fcaef8dca7b3bbf4 Mon Sep 17 00:00:00 2001
From: neilpang <github@byneil.com>
Date: Fri, 11 Nov 2016 22:00:15 +0800
Subject: [PATCH] fix shellcheck warnings.

---
 acme.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/acme.sh b/acme.sh
index d050738a..5a42595f 100755
--- a/acme.sh
+++ b/acme.sh
@@ -316,7 +316,7 @@ _h2b() {
       fi
       ic="$(_h_char_2_dec "$ic")"
       jc="$(_h_char_2_dec "$jc")"
-      printf '\'"$(printf "%o" "$(_math "$ic" \* 16 + $jc)")"
+      printf '\'"$(printf "%o" "$(_math "$ic" \* 16 + $jc)")""%s"
     fi
 
     i="$(_math "$i" + 2)"