Fixed a php 7.2 bug in db_pager.inc.

diff --git a/includes/db_pager.inc b/includes/db_pager.inc
index daaa2e8e47116003ef6e173bbe3289c57ffd141d..affb9e09796e9cf046abdb0998817ed533eac076 100644 (file)
--- a/includes/db_pager.inc
+++ b/includes/db_pager.inc
@@ -49,7 +49,7 @@ class db_pager {
            $from,
                $group,
                $order;
-       var     $extra_where;
+       var     $extra_where = array();
        
        var $ready = false; // this var is false after change in sql before first
                                                // and before first query.