Merge branch 'hn/refs-iterator-peel-returns-boolean'

Tiny API tweak.

* hn/refs-iterator-peel-returns-boolean:
  refs: make explicit that ref_iterator_peel returns boolean

refs.c

@@ -2010,7 +2010,7 @@ int peel_iterated_oid(const struct object_id *base, struct object_id *peeled)
 	     oideq(current_ref_iter->oid, base)))
 		return ref_iterator_peel(current_ref_iter, peeled);
 
-	return peel_object(base, peeled);
+	return peel_object(base, peeled) ? -1 : 0;
 }
 
 int refs_create_symref(struct ref_store *refs,