From 31cfce4ca5df125a71c7fe8ff8d7b1f7c6737204 Mon Sep 17 00:00:00 2001
From: Leonid Yuriev <leo@yuriev.ru>
Date: Mon, 26 Apr 2021 10:56:18 +0300
Subject: [PATCH] mdbx: fix minor MSVC warnings.

Change-Id: I99ab0855334c01796c57f13142127d184ab1291e
---
 src/core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/core.c b/src/core.c
index 2c9b0b36..e7c789ad 100644
--- a/src/core.c
+++ b/src/core.c
@@ -4152,9 +4152,8 @@ static void mdbx_dpage_free(MDBX_env *env, MDBX_page *dp, unsigned npages) {
 static void mdbx_dlist_free(MDBX_txn *txn) {
   MDBX_env *env = txn->mt_env;
   MDBX_dpl *const dl = txn->tw.dirtylist;
-  const size_t len = dl->length;
 
-  for (size_t i = 1; i <= len; i++) {
+  for (unsigned i = 1; i <= dl->length; i++) {
     MDBX_page *dp = dl->items[i].ptr;
     mdbx_dpage_free(env, dp, dpl_npages(dl, i));
   }