git: update to v2.21.0

Update to git version v2.21.0. Required changes follow upstream commits:

* 6a7895fd8a3bd409f2b71ffc355d5142172cc2a0
  (commit: prepare free_commit_buffer and release_commit_memory for
  any repo)

* e092073d643b17c82d72cf692fbfaea9c9796f11
  (tree.c: make read_tree*() take 'struct repository *')

Signed-off-by: Christian Hesse <mail@eworm.de>
Reviewed-by: John Keeping <john@keeping.me.uk>

1 files changed, 2 insertions, 1 deletions

diff --git a/ui-plain.c b/ui-plain.c
index 070c34b..b73c1cf 100644
--- a/ui-plain.c
+++ b/ui-plain.c
@@ -198,7 +198,8 @@ void cgit_print_plain(void)
         }
         else
                 walk_tree_ctx.match_baselen = basedir_len(path_items.match);
-        read_tree_recursive(commit->maybe_tree, "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
+        read_tree_recursive(the_repository, commit->maybe_tree,
+                "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
         if (!walk_tree_ctx.match)
                 cgit_print_error_page(404, "Not found", "Not found");
         else if (walk_tree_ctx.match == 2)