libc-19980601: build Hurd cthreads stubs

[Gordon Matzigkeit]

Hi!

This is a tiny patch... somehow, the cthreads stubs were not being
built as a part of glibc for the Hurd.

1998-06-01  Gordon Matzigkeit  <gord@profitpress.com>

	* hurd/Makefile (routines): Add cthreads.

Thanks,

-- 
Gordon Matzigkeit   \ Proudly running pieces of the GNU operating system.
gord@profitpress.com \ Jacques Cousteau loved programming in assembler.