unsigned char for usb_mode

diff --git a/tests/test_args_to_config.c b/tests/test_args_to_config.c
index 9f319f5cef8bfd2b7e0eab7e045129ef36ef1abe..02ba388c79b45040173e61931cf2a28e8da726d1 100644 (file)
--- a/tests/test_args_to_config.c
+++ b/tests/test_args_to_config.c
@@ -115,7 +115,7 @@ int _test_config (YKP_CONFIG *cfg, YK_STATUS *st, int argc, char **argv)
        char *salt = NULL;
        char ndef[128];
        char ndef_type = 0;
-       int usb_mode = -1;
+       unsigned char usb_mode = -1;
        bool zap = false;
 
        int rc;
@@ -294,7 +294,7 @@ int _test_non_config_args(void)
        char *salt = NULL;
        char ndef[128];
        char ndef_type = NULL;
-       int usb_mode = -1;
+       unsigned char usb_mode = -1;
        bool zap = false;
 
        char *argv[] = {