Fix character size detection.
Fix character size detection.

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