Fix iolib.pathnames tests.
Fix iolib.pathnames tests.

sionescu/iolib,lispnik/iolib,vsedach/iolib-simple-mux,attila-lendvai/iolib,vsedach/iolib-simple-mux,sionescu/iolib,shamazmazum/iolib,sionescu/iolib,shamazmazum/iolib,lispnik/iolib,lispnik/iolib,dkochmanski/iolib,tiago4orion/iolib,tiago4orion/iolib,attila-lendvai/iolib,tiago4orion/iolib,shamazmazum/iolib,deadtrickster/iolib,dkochmanski/iolib,deadtrickster/iolib,attila-lendvai/iolib,dkochmanski/iolib,deadtrickster/iolib