interpret-trailers: add an option to show only existing trailers

diff --git a/refs.h b/refs.h
index 49e97d7d5fdf1ce385ea8917bda00a4cce68561f..07cf4cd41b15ee5dafdb5c99983b136db84aaa81 100644 (file)
--- a/refs.h
+++ b/refs.h
@@ -97,7 +97,7 @@ int read_ref(const char *refname, unsigned char *sha1);
 
 int refs_verify_refname_available(struct ref_store *refs,
                                  const char *refname,
-                                 const struct string_list *extra,
+                                 const struct string_list *extras,
                                  const struct string_list *skip,
                                  struct strbuf *err);