refs.c: spell NULL pointer as NULL

diff --git a/http-push.c b/http-push.c
index 6dad188b5f31d47fdce86e5104aa3c6b899ebed7..69200baf7651c2bcb99d6bc2068429e22865f900 100644 (file)
--- a/http-push.c
+++ b/http-push.c
@@ -1330,8 +1330,7 @@ static struct object_list **process_tree(struct tree *tree,
                        break;
                }
 
-       free(tree->buffer);
-       tree->buffer = NULL;
+       free_tree_buffer(tree);
        return p;
 }
 
@@ -1976,7 +1975,7 @@ int main(int argc, char **argv)
                pushing = 0;
                if (prepare_revision_walk(&revs))
                        die("revision walk setup failed");
-               mark_edges_uninteresting(revs.commits, &revs, NULL);
+               mark_edges_uninteresting(&revs, NULL);
                objects_to_send = get_delta(&revs, ref_lock);
                finish_all_active_slots();