MDL-48510 inbound: use 0 expiration for private files handler

lib/db/upgrade.php

@@ -4058,5 +4058,15 @@ function xmldb_main_upgrade($oldversion) {
     // Moodle v2.8.0 release upgrade line.
     // Put any upgrade step following this.
 
+    if ($oldversion < 2014111002.01) {
+
+        // Make sure the private files handler is not set to expire.
+        $DB->set_field('messageinbound_handlers', 'defaultexpiration', 0,
+                array('classname' => '\core\message\inbound\private_files_handler'));
+
+        // Main savepoint reached.
+        upgrade_main_savepoint(true, 2014111002.01);
+    }
+
     return true;
 }

version.php

@@ -29,7 +29,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$version  = 2014111002.00;              // 20141110      = branching date YYYYMMDD - do not modify!
+$version  = 2014111002.01;              // 20141110      = branching date YYYYMMDD - do not modify!
                                         //         RR    = release increments - 00 in DEV branches.
                                         //           .XX = incremental changes.