multimedia/vdr-plugin-xineliboutput: Unbreak build with libxine 1.2.11

xine_frontend.c:2009:23: error: no member named 'port_ticket' in 'struct xine_s'

this->stream->xine->port_ticket->acquire(this->stream->xine->port_ticket, 0);
~~~~~~~~~~~~~~~~~~  ^

http://beefy18.nyi.freebsd.org/data/main-amd64-default/p569282_sfe496dc02a/logs/errors/vdr-plugin-xineliboutput-1.0.90s20120511_30.log

PR: 253304
Submitted by: Stefan Ehmann <shoesoft@gmx.net>