fixed wrong var usage in fscode.php

Signed-off-by: Sweil <mail@sweil.de>
don't convert linebreaks with fscode disabled

Signed-off-by: Sweil <mail@sweil.de>
fehlende texte ergänzt

Signed-off-by: Sweil <mail@sweil.de>
fixed nasty bug which prevents captcha from working

Signed-off-by: Sweil <mail@sweil.de>