- as filename crashes script

Running with script:
(ql:quickload :m2nc)
(m2nc-cli:start-handler-with-options sb-ext:_posix-argv_)
(quit)

Command line:
echo "Jawsome, dude" | script/m2nc.lisp -s tcp://127.0.0.1:14475 -p tcp://127.0.0.1:14472 -

Crashes out
