1 files changed, 1 insertions, 0 deletions
diff --git a/cache-tree.h b/cache-tree.h
index c70a7699a..5d824df2e 100644
--- a/cache-tree.h
+++ b/cache-tree.h
@@ -20,6 +20,7 @@ struct cache_tree {
 struct cache_tree *cache_tree(void);
 void cache_tree_free(struct cache_tree **);
 void cache_tree_invalidate_path(struct cache_tree *, const char *);
+struct cache_tree_sub *cache_tree_sub(struct cache_tree *, const char *);
 
 void *cache_tree_write(struct cache_tree *root, unsigned long *size_p);
 struct cache_tree *cache_tree_read(const char *buffer, unsigned long size);