Fixed a php notice in the installer.

tbrehm

2011-09-21 e41fba0f0802470ef72c6c865324af89ae9cc922

Fixed a php notice in the installer.

 install/lib/update.lib.php

@@ -126,7 +126,7 @@
    
    $conf['postfix']['vmail_mailbox_base'] = $ini_array['mail']['homedir_path'];
    
    if($ini_array['web']['server_type'] != ''){
    if(isset($ini_array['web']['server_type']) && $ini_array['web']['server_type'] != ''){
        $conf['webserver']['server_type'] = $ini_array['web']['server_type'];
        if($conf['webserver']['server_type'] == 'nginx'){
            $conf['apache']['installed'] = false;