From d3cca934ee330f63b2745ce78125036a15422a79 Mon Sep 17 00:00:00 2001
From: Steve Holme <steve_holme@hotmail.com>
Date: Thu, 4 Dec 2014 22:19:24 +0000
Subject: [PATCH] sasl_gssapi: Fixed missing decoding debug failure message

---
 lib/curl_sasl_gssapi.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/curl_sasl_gssapi.c b/lib/curl_sasl_gssapi.c
index 2bbbc590d..477532fff 100644
--- a/lib/curl_sasl_gssapi.c
+++ b/lib/curl_sasl_gssapi.c
@@ -138,8 +138,11 @@ CURLcode Curl_sasl_create_gssapi_user_message(struct SessionHandle *data,
     }
 
     /* Ensure we have a valid challenge message */
-    if(!chlg)
+    if(!chlg) {
+      infof(data, "GSSAPI handshake failure (empty challenge message)\n");
+
       return CURLE_BAD_CONTENT_ENCODING;
+    }
 
     /* Setup the challenge "input" security buffer */
     input_token.value = chlg;