The constant CURLE_OPERATION_TIMEDOUT isn't defined on older PHP versions

boot.php

@@ -40,7 +40,7 @@ define ( 'FRIENDICA_PLATFORM',     'Friendica');
 define ( 'FRIENDICA_CODENAME',     'Asparagus');
 define ( 'FRIENDICA_VERSION',      '3.5.2-rc' );
 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
-define ( 'DB_UPDATE_VERSION',      1226      );
+define ( 'DB_UPDATE_VERSION',      1227      );
 
 /**
  * @brief Constant with a HTML line break.
@@ -457,6 +457,13 @@ if (!defined("SIGTERM")) {
 	define("SIGTERM", 15);
 }
 
+/**
+ * Depending on the PHP version this constant does exist - or not.
+ * See here: http://php.net/manual/en/curl.constants.php#117928
+ */
+if (!defined('CURLE_OPERATION_TIMEDOUT')) {
+        define('CURLE_OPERATION_TIMEDOUT', CURLE_OPERATION_TIMEOUTED);
+}
 /**
  *
  * Reverse the effect of magic_quotes_gpc if it is enabled.

database.sql

@@ -1,6 +1,6 @@
 -- ------------------------------------------
 -- Friendica 3.5.2-rc (Asparagus)
--- DB_UPDATE_VERSION 1226
+-- DB_UPDATE_VERSION 1227
 -- ------------------------------------------
 
 
@@ -1115,6 +1115,7 @@ CREATE TABLE IF NOT EXISTS `workerqueue` (
 	`pid` int(11) NOT NULL DEFAULT 0,
 	`executed` datetime NOT NULL DEFAULT '0001-01-01 00:00:00',
 	 PRIMARY KEY(`id`),
+	 INDEX `pid` (`pid`),
 	 INDEX `priority_created` (`priority`,`created`)
 ) DEFAULT COLLATE utf8mb4_general_ci;
 

include/dbstructure.php

@@ -1742,6 +1742,7 @@ function db_definition() {
 					),
 			"indexes" => array(
 					"PRIMARY" => array("id"),
+					"pid" => array("pid"),
 					"priority_created" => array("priority", "created"),
 					)
 			);

update.php

@@ -1,6 +1,6 @@
 <?php
 
-define('UPDATE_VERSION' , 1226);
+define('UPDATE_VERSION' , 1227);
 
 /**
  *