add void as argument to silence warning

diff --git a/ykpers-args.c b/ykpers-args.c
index ba5f4a0fa10923d5e447e694cfd86aec8d582380..3be9597e787ac7a98c75054a998a05002db19ec4 100644 (file)
--- a/ykpers-args.c
+++ b/ykpers-args.c
@@ -225,7 +225,7 @@ static int hex_modhex_decode(unsigned char *result, size_t *resultlen,
        return 0;
 }
 
-void report_yk_error()
+void report_yk_error(void)
 {
        if (ykp_errno)
                fprintf(stderr, "Yubikey personalization error: %s\n",