morse: cast argc to void

diff --git a/morse.c b/morse.c
index e535e6f3f6302fee55712d7240acae4828b8c252..eb0bd8ee4f3c7db0609a6bba37b19ab4657bfcbc 100644 (file)
--- a/morse.c
+++ b/morse.c
@@ -41,6 +41,7 @@ convert(char *c)
 int
 main(int argc, char **argv)
 {
+       (void)argc;
        char c[2];
        c[1] = '\0';