refs: use `size_t` indexes when iterating over ref transaction updates

diff --git a/refs/files-backend.c b/refs/files-backend.c
index fa5d2b6f08cb4b80dda336bbf08a5b85107d39b2..b2559b558556cadb7215c4cb366f6a3b8c2cb422 100644 (file)
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -2850,7 +2850,8 @@ static int files_transaction_commit(struct ref_store *ref_store,
        struct files_ref_store *refs =
                files_downcast(ref_store, REF_STORE_WRITE,
                               "ref_transaction_commit");
-       int ret = 0, i;
+       size_t i;
+       int ret = 0;
        struct string_list refs_to_delete = STRING_LIST_INIT_NODUP;
        struct string_list_item *ref_to_delete;
        struct string_list affected_refnames = STRING_LIST_INIT_NODUP;
@@ -3057,7 +3058,8 @@ static int files_initial_transaction_commit(struct ref_store *ref_store,
        struct files_ref_store *refs =
                files_downcast(ref_store, REF_STORE_WRITE,
                               "initial_ref_transaction_commit");
-       int ret = 0, i;
+       size_t i;
+       int ret = 0;
        struct string_list affected_refnames = STRING_LIST_INIT_NODUP;
 
        assert(err);