fix for IE7 + IE8 compatibility

cfoe

2012-08-31 ebc41d2bed365692c35ccb99e26f51a9f3ebfa15

 server/lib/classes/system.inc.php

@@ -41,9 +41,9 @@
    * @return system
    */
   public function system(){
      global $go_info;
        $this->server_id = $go_info['isp']['server_id'];
        $this->server_conf = $go_info['isp']['server_conf'];
      //global $go_info;
        //$this->server_id = $go_info['isp']['server_id'];
        //$this->server_conf = $go_info['isp']['server_conf'];
        $this->server_conf['passwd_datei'] = '/etc/passwd';
        $this->server_conf['shadow_datei'] = '/etc/shadow';
        $this->server_conf['group_datei'] = '/etc/group';
@@ -699,7 +699,7 @@
      }
   }
   
   function unlink($file) {
   function unlink($filename) {
      if(file_exists($filename)) {
         return unlink($filename);
      }