t/test-lib.sh: add test_external and test_external_without_stderr

diff --git a/graph.h b/graph.h
index a7748a5b229b11f0d068ecc2843c1b3a02cac07f..eab4e3daba9812293d4e005c3ebe28f9a97744ce 100644 (file)
--- a/graph.h
+++ b/graph.h
@@ -8,7 +8,7 @@ struct git_graph;
  * Create a new struct git_graph.
  * The graph should be freed with graph_release() when no longer needed.
  */
-struct git_graph *graph_init();
+struct git_graph *graph_init(struct rev_info *opt);
 
 /*
  * Destroy a struct git_graph and free associated memory.