travis-ci: check that all build artifacts are .gitignore-d

diff --git a/rerere.c b/rerere.c
index 829b3b0f08f7546c168e2728687d5729c4607cfa..70634d456cc0b70cdbac1579b82016761252c7d9 100644 (file)
--- a/rerere.c
+++ b/rerere.c
@@ -40,9 +40,8 @@ static void free_rerere_dirs(void)
                free(rerere_dir[i]->status);
                free(rerere_dir[i]);
        }
-       free(rerere_dir);
+       FREE_AND_NULL(rerere_dir);
        rerere_dir_nr = rerere_dir_alloc = 0;
-       rerere_dir = NULL;
 }
 
 static void free_rerere_id(struct string_list_item *item)