From 748476b8025ef131be91b2c02fe85c21e453276c Mon Sep 17 00:00:00 2001
From: Yuriy Pikhtarev <iglix@me.com>
Date: Fri, 5 May 2017 01:07:02 +0300
Subject: [PATCH] Prefixed increment/decrement equivalent.

(cherry picked from commit a4965bf)
---
 library/includes/classes/sitemap.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/includes/classes/sitemap.php b/library/includes/classes/sitemap.php
index 5290117aa..4c280a287 100644
--- a/library/includes/classes/sitemap.php
+++ b/library/includes/classes/sitemap.php
@@ -123,7 +123,7 @@ class sitemap
         $this->priority = $this->topic_priority;
 
         if ($page) {
-            $page = $page - 1;
+            --$page;
             $page = $page * 40000;
             $this->limit = " LIMIT {$page},40000";
         } else {