From 5ec60dfb55e04d205242b9349fde279eb680ceaf Mon Sep 17 00:00:00 2001
From: Jeremy Evans <code@jeremyevans.net>
Date: Wed, 22 Apr 2020 08:55:27 -0700
Subject: [PATCH] Fix issue when using --enable-frozen-string-literal Ruby
 option

---
 lib/rotp/base32.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/rotp/base32.rb b/lib/rotp/base32.rb
index 1688bdb..2c09592 100644
--- a/lib/rotp/base32.rb
+++ b/lib/rotp/base32.rb
@@ -28,7 +28,7 @@ def decode(str)
 
       def encode(b)
         data = b.unpack('c*')
-        out = ''
+        out = String.new
         buffer = data[0]
         idx = 1
         bits_left = 8