Fixed overflow in substitute_index_file()
Fixed overflow in substitute_index_file()

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