From 804ca24aca634f85c09289bf2e0d448bdaf32ca9 Mon Sep 17 00:00:00 2001
From: Robin Stuart <rstuart114@gmail.com>
Date: Mon, 25 Jul 2016 22:46:26 +0100
Subject: [PATCH] Correct bizarre use of isX12()

Bug spotted by Milton Neal
---
 backend/dmatrix.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/dmatrix.c b/backend/dmatrix.c
index 938e292d..c6473116 100644
--- a/backend/dmatrix.c
+++ b/backend/dmatrix.c
@@ -274,7 +274,7 @@ static int p_r_6_2_1(const unsigned char inputData[], const int position, const
 
     for (i = position; i < sourcelen; i++) {
         if (nonX12Position == 0) {
-            if (isX12(i) == 1) {
+            if (isX12(inputData[i]) != 1) {
                 nonX12Position = i;
             }
         }