Partial revert of 714f3764587f90b39e78d5585e854ab865406443.
Partial revert of 714f3764587f90b39e78d5585e854ab865406443.

Do *not* use read_fd. It was meant for stdin and stdin only.

	* src/object/urbi/input-stream.cc (getBuffer_): Use yield_for_fd()
	and ::read() instead of read_fd().

urbiforge/urbi,aldebaran/urbi,aldebaran/urbi,urbiforge/urbi,urbiforge/urbi,aldebaran/urbi,aldebaran/urbi,aldebaran/urbi,aldebaran/urbi,aldebaran/urbi,urbiforge/urbi,aldebaran/urbi,urbiforge/urbi,urbiforge/urbi,urbiforge/urbi,urbiforge/urbi,urbiforge/urbi