From 41b2355866c767503bd14df6c24b8ae736dc530c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Neto?= <joao.alexandre@cesar.org.br>
Date: Sat, 29 Jun 2019 10:46:07 -0300
Subject: [PATCH] Fix bug when writing header to request signer

A '\n' character was always being added at the beginning of the signing
string causing the validation to fail.
---
 lib/signer.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/signer.js b/lib/signer.js
index deb5878..49c0ccb 100644
--- a/lib/signer.js
+++ b/lib/signer.js
@@ -131,7 +131,7 @@ RequestSigner.prototype.writeHeader = function (header, value) {
 
   } else {
     var line = header + ': ' + value;
-    if (this.rs_headers.length > 0)
+    if (this.rs_headers.length > 1)
       line = '\n' + line;
     this.rs_signer.update(line);
   }