Fix windows version of lwt_unix_read_job
Fix windows version of lwt_unix_read_job

Ignore-this: a6f5828529558341c2813f47e2eca15e

darcs-hash:20120620095616-71cd9-04afcb28a8b3d4084686e50d39780db31f7d738e

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