MDL-12983 Installation stops after trying to download Language-Pack -…

… patch by Dan Poltawski; merged from MOODLE_19_STABLE

install.php

@@ -473,7 +473,7 @@
             case COMPONENT_ERROR:
                 if ($cd->get_error() == 'remotedownloaderror') {
                     $a = new stdClass();
-                    $a->url = 'http://download.moodle.org/lang16/'.$pack.'.zip';
+                    $a->url = 'http://download.moodle.org/lang16/'.$INSTALL['language'].'.zip';
                     $a->dest= $CFG->dataroot.'/lang';
                     $downloaderror = get_string($cd->get_error(), 'error', $a);
                 } else {

lib/setup.php

@@ -488,8 +488,6 @@ function addslashes_deep($value) {
 
 /// Load up global environment variables
 
-    class object {};
-
     //discard session ID from POST, GET and globals to tighten security,
     //this session fixation prevention can not be used in cookieless mode
     if (empty($CFG->usesid)) {

lib/setuplib.php

@@ -4,6 +4,12 @@
       // loaded.
 
 
+/**
+ * Simple class
+ */
+class object {};
+
+
 /**
  * Initializes our performance info early.
  *