set the [set_flags] field in [Lwt_unix.set_blocking]
set the [set_flags] field in [Lwt_unix.set_blocking]

Ignore-this: c83c956b7ced14fc90e80f8b4559eaff

darcs-hash:20101120162920-c41ad-cad0dcab6facc05775ec11cc4f6caad1ab511e2e.gz

avsm/lwt-OLD,avsm/lwt-OLD