Fix "Cast from 'const unsigned char *' to 'void *' drops const qualifier"
Fix "Cast from 'const unsigned char *' to 'void *' drops const qualifier"

GerHobbelt/civet-webserver,GerHobbelt/civet-webserver,GerHobbelt/civet-webserver,GerHobbelt/civet-webserver,GerHobbelt/civet-webserver,GerHobbelt/civet-webserver