xmail:
 * fix xmail doesn't work on big-endian boxes (by [http://www.ip-phone-forum.de/showthread.php?t=262303&s=ecbd7cfe810488ebadf07964301da6ff mehle])


git-svn-id: file:///var/svn/freetz/trunk@10956 149334a1-2f27-0410-a3b9-fc62619ac1e6