Permissions on mesh users script

src/freedombone-image-customise

 #!/bin/bash
 lstox | awk -F ' ' '{\$1=""; print \$0}' | sed -e 's/^[[:space:]]*//' | sort -d > /home/$MY_USERNAME/Desktop/Users.txt
 EOF
+    chroot "$rootdir" chown $MY_USERNAME:$MY_USERNAME /usr/bin/list-tox-users
+    chroot "$rootdir" chmod +x /usr/bin/list-tox-users
     echo "* *       * * *   $MY_USERNAME    /usr/bin/list-tox-users > /dev/null" >> $rootdir/etc/crontab
 
     if [[ $VARIANT != "usb" ]]; then