make local function static

diff --git a/ykchalresp.c b/ykchalresp.c
index 89388cacd7b455fd353d8ea2ef4bdb9c65d18642..2ca716a02882d058b125a19404674feaab49caa8 100644 (file)
--- a/ykchalresp.c
+++ b/ykchalresp.c
@@ -74,7 +74,7 @@ static void report_yk_error(void)
        }
 }
 
-int parse_args(int argc, char **argv,
+static int parse_args(int argc, char **argv,
               int *slot, bool *verbose,
               unsigned char **challenge, unsigned int *challenge_len,
               bool *hmac, bool *may_block,