Update acestream

Failed to execute command 'omv-mkconf acestream 2>&1': /usr/share/openmediavault/mkconf/acestream: 1: /usr/share/openmediavault/mkconf/acestream: !/bin/sh: not found /usr/share/openmediavault/mkconf/acestream: 206: /usr/share/openmediavault/mkconf/acestream: /home/aceproxy/start: Permission denied