ref-filter: drop useless cast in trailers_atom_parser()

There's no need to cast invalid_arg before freeing it. It is already a non-const pointer. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Jeff King committed Sep 9, 2024 at 19:14 UTC a2417a03c92d5a1cbd7d9b7e787e9d3882ad8842
1 file changed +1 -1
ref-filter.c
+1 -1
@@ -578,7 +578,7 @@ static int trailers_atom_parser(struct ref_format *format UNUSED,
578 strbuf_addf(err, _("expected %%(trailers:key=<value>)"));
579 else
580 strbuf_addf(err, _("unknown %%(trailers) argument: %s"), invalid_arg);
581 - free((char *)invalid_arg);
581 + free(invalid_arg);
582 return -1;
583 }
584 }