Merge branch 'maint'

* maint:
  revert: Fix trivial comment style issue
  cache_tree_free: Fix small memory leak

Conflicts:
	builtin/revert.c
diff --git a/cache-tree.c b/cache-tree.c
index c60cf91..f755590 100644
--- a/cache-tree.c
+++ b/cache-tree.c
@@ -22,8 +22,10 @@
 	if (!it)
 		return;
 	for (i = 0; i < it->subtree_nr; i++)
-		if (it->down[i])
+		if (it->down[i]) {
 			cache_tree_free(&it->down[i]->cache_tree);
+			free(it->down[i]);
+		}
 	free(it->down);
 	free(it);
 	*it_p = NULL;