refs: mark unused reflog callback parameters

Functions used with for_each_reflog_ent() need to conform to a
particular interface, but not every function needs all of the
parameters. Mark the unused ones to make -Wunused-parameter happy.

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

1 files changed, 3 insertions, 2 deletions

diff --git a/commit.c b/commit.c
index 0db461f973..cb20082736 100644
--- a/commit.c
+++ b/commit.c
@@ -951,8 +951,9 @@ static void add_one_commit(struct object_id *oid, struct rev_collect *revs)
 }
 
 static int collect_one_reflog_ent(struct object_id *ooid, struct object_id *noid,
-				  const char *ident, timestamp_t timestamp,
-				  int tz, const char *message, void *cbdata)
+				  const char *UNUSED(ident),
+				  timestamp_t UNUSED(timestamp), int UNUSED(tz),
+				  const char *UNUSED(message), void *cbdata)
 {
 	struct rev_collect *revs = cbdata;