improve usage() formatting - hurl - Gopher/HTTP/HTTPS file grabber
 (HTM) git clone git://git.codemadness.org/hurl
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       ---
 (DIR) commit 211f680bec370eb261142b8b4eb615b37a4cf576
 (DIR) parent c197d88840a5544997be532a8caad6875c95abc8
 (HTM) Author: Hiltjo Posthuma <hiltjo@codemadness.org>
       Date:   Sat, 17 Nov 2018 11:52:39 +0100
       
       improve usage() formatting
       
       Diffstat:
         M hurl.c                              |       2 +-
       
       1 file changed, 1 insertion(+), 1 deletion(-)
       ---
 (DIR) diff --git a/hurl.c b/hurl.c
       @@ -452,7 +452,7 @@ err:
        void
        usage(void)
        {
       -        fprintf(stderr, "usage: %s [ -H header | -m maxresponse | -t timeout ] url\n",
       +        fprintf(stderr, "usage: %s [-H header] [-m maxresponse] [-t timeout] url\n",
                        argv0);
                exit(1);
        }