From c61edc168c2cdab94d5fefba3594fb227add54bf Mon Sep 17 00:00:00 2001
From: MovingEarth <40818895+MovingEarth@users.noreply.github.com>
Date: Sun, 24 Nov 2019 12:11:03 +0100
Subject: [PATCH] Allow an empty crc in a 14 byte header

As specified in ANT FIT Protocol Rev2.4 Paragraph 3.3.1 "Computing the CRC
is optional when using a 14 byte file header, it is permissible to set it to
0x0000."
---
 lib/fit4ruby/FitHeader.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/fit4ruby/FitHeader.rb b/lib/fit4ruby/FitHeader.rb
index 4edbe0c..f453cf5 100644
--- a/lib/fit4ruby/FitHeader.rb
+++ b/lib/fit4ruby/FitHeader.rb
@@ -62,7 +62,7 @@ def dump
     end
 
     def has_crc?
-      header_size.snapshot == 14
+      header_size.snapshot == 14 && crc != 0x0000
     end
 
     def end_pos