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, 1 deletions

diff --git a/notes.c b/notes.c
index 1ba6412aae..da42df282d 100644
--- a/notes.c
+++ b/notes.c
@@ -932,7 +932,7 @@ out:
 	return ret;
 }
 
-static int string_list_add_one_ref(const char *refname,
+static int string_list_add_one_ref(const char *refname, const char *referent UNUSED,
 				   const struct object_id *oid UNUSED,
 				   int flag UNUSED, void *cb)
 {