add url to usage - hurl - Gopher/HTTP/HTTPS file grabber
  HTML git clone git://git.codemadness.org/hurl
   DIR Log
   DIR Files
   DIR Refs
   DIR README
   DIR LICENSE
       ---
   DIR commit af2736e8ff7e4ec1eae5500d7c6840b0a177cc23
   DIR parent 3c7441b9985fcdce9555ea2034284420712fafa0
  HTML Author: Hiltjo Posthuma <hiltjo@codemadness.org>
       Date:   Fri, 16 Nov 2018 15:53:17 +0100
       
       add url to usage
       
       Diffstat:
         M hurl.c                              |       2 +-
       
       1 file changed, 1 insertion(+), 1 deletion(-)
       ---
   DIR diff --git a/hurl.c b/hurl.c
       @@ -453,7 +453,7 @@ err:
        void
        usage(void)
        {
       -        fprintf(stderr, "usage: %s [ -H header | -m maxresponse | -t timeout ]\n",
       +        fprintf(stderr, "usage: %s [ -H header | -m maxresponse | -t timeout ] url\n",
                        argv0);
                exit(1);
        }