support [unescaped] double-quotes in jackdrc
support [unescaped] double-quotes in jackdrc

allow autostart of jackd on OSX where device-names can
contain spaces.

drobilla/jack1,ventosus/jack1,ventosus/jack1,ventosus/jack1,ventosus/jack1,drobilla/jack1,drobilla/jack1,drobilla/jack1