mark unused read_tree_recursive() callback parameters

We pass a callback to read_tree_recursive(), but not every callback
needs every parameter. Let's mark the unused ones to satisfy
-Wunused-parameter.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/archive-zip.c b/archive-zip.c
index 854bceb018..d63782dc31 100644
--- a/archive-zip.c
+++ b/archive-zip.c
@@ -618,7 +618,7 @@ static int archive_zip_config(const char *var, const char *value,
 	return userdiff_config(var, value);
 }
 
-static int write_zip_archive(const struct archiver *ar,
+static int write_zip_archive(const struct archiver *UNUSED(ar),
 			     struct archiver_args *args)
 {
 	int err;