use char instead of uint8_t to avoid warnings/casting

diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c
index 2d1c76d50e15ea91a2e8a518740fa02ac24a7417..081d197c1ffe7027ab6798f61c1ed4080d3caa8b 100644 (file)
--- a/client/cmdhfmf.c
+++ b/client/cmdhfmf.c
@@ -712,7 +712,7 @@ int CmdHF14AMfChk(const char *Cmd)
 {\r
        FILE * f;\r
        char filename[256]={0};\r
-       uint8_t buf[13];\r
+       char buf[13];\r
        uint8_t *keyBlock = NULL, *p;\r
        uint8_t stKeyBlock = 20;\r
        \r