cache-tree.h: drop extern from function declaration

diff --git a/fast-import.c b/fast-import.c
index 3ea5781029de661fb083fcd99acbae7c39c22904..89bb0c9db3de9b380aad53709d882cb04f7d054a 100644 (file)
--- a/fast-import.c
+++ b/fast-import.c
@@ -1076,7 +1076,7 @@ static int store_object(
                return 1;
        }
 
-       if (last && last->data.buf && last->depth < max_depth
+       if (last && last->data.len && last->data.buf && last->depth < max_depth
                && dat->len > the_hash_algo->rawsz) {
 
                delta_count_attempts_by_type[type]++;