From 6c17d8e49da766d9fa9a7f9770f1b0411a262fe9 Mon Sep 17 00:00:00 2001
From: Frank Morgner <frankmorgner@gmail.com>
Date: Mon, 26 Apr 2021 17:09:36 +0200
Subject: [PATCH] fixed type conversion

---
 pcsc-relay/src/vicc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pcsc-relay/src/vicc.c b/pcsc-relay/src/vicc.c
index a100de1..ea93448 100644
--- a/pcsc-relay/src/vicc.c
+++ b/pcsc-relay/src/vicc.c
@@ -46,7 +46,7 @@ static int _vicc_connect(driver_data_t **driver_data)
 
     if (viccatr) {
         size_t i;
-        unsigned char *hex = viccatr;
+        char *hex = viccatr;
         unsigned char *bin = atr;
         atr_len = strlen(viccatr);
         if (atr_len % 2 != 0) {