refs: add referent to each_ref_fn

Add a parameter to each_ref_fn so that callers to the ref APIs
that use this function as a callback can have acess to the
unresolved value of a symbolic ref.

Signed-off-by: John Cai <johncai86@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/reflog.c b/reflog.c
index 5ca944529b..d592c1cfb5 100644
--- a/reflog.c
+++ b/reflog.c
@@ -300,6 +300,7 @@ int should_expire_reflog_ent_verbose(struct object_id *ooid,
 }
 
 static int push_tip_to_list(const char *refname UNUSED,
+			    const char *referent UNUSED,
 			    const struct object_id *oid,
 			    int flags, void *cb_data)
 {