tree-cache: move to use a pool allocator

This simplifies freeing the entries quite a bit; though there aren't
that many failure paths right now, introducing filling the cache from a
tree will introduce more. This makes sure not to leak memory on errors.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/index.h b/src/index.h
index 50a0b4b6c..2eb93fb17 100644
--- a/src/index.h
+++ b/src/index.h
@@ -35,6 +35,7 @@ struct git_index {
 	unsigned int no_symlinks:1;
 
 	git_tree_cache *tree;
+	git_pool tree_pool;
 
 	git_vector names;
 	git_vector reuc;