fix Lwt_stream.of_event
fix Lwt_stream.of_event

Ignore-this: 3ef1f7c8d32a336f00644407fca76c20

darcs-hash:20100107223533-c41ad-8cd4085457ebeb9a536d8c5c364f069edeb361b2

rneswold/lwt,rgrinberg/lwt,janestreet/lwt-async,rneswold/lwt,rneswold/lwt,c-cube/lwt,fdopen/lwt,c-cube/lwt,rgrinberg/lwt,gfxmonk/lwt,rgrinberg/lwt,gfxmonk/lwt,mfp/lwt,mirage/lwt,ocsigen/lwt,ocsigen/lwt,c-cube/lwt,janestreet/lwt-async,rgrinberg/lwt,ocsigen/lwt,mfp/lwt,mirage/lwt,fdopen/lwt