Fix websocket long pull (previously returned invalid data and/or segfaulted at next frame)
Fix websocket long pull (previously returned invalid data and/or segfaulted at next frame)

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