CHG: should remove a compiler warning on OSX

diff --git a/client/cmdhficlass.c b/client/cmdhficlass.c
index 273d24aea5fa5cadd4efff65fae9099952a0ef7e..90856e919d7c85f30da20695749ae8ad69bc4775 100644 (file)
--- a/client/cmdhficlass.c
+++ b/client/cmdhficlass.c
@@ -880,7 +880,7 @@ int CmdHFiClassReader_Dump(const char *Cmd) {
        if (have_debit_key) memcpy(tag_data+(3*8),div_key,8);
        if (have_credit_key) memcpy(tag_data+(4*8),c_div_key,8);
        
-       printf("Num of bytes:  %d\n", gotBytes);
+       printf("Num of bytes:  %zu\n", gotBytes);
        
        // print the dump
        printf("------+--+-------------------------+\n");