akr	2008-07-05 23:12:53 +0900 (Sat, 05 Jul 2008)

  New Revision: 17895

  Modified files:
    trunk/include/ruby/intern.h
    trunk/io.c
    trunk/process.c

  Log:
    rename rb_pipe_internal to rb_pipe.
    use rb_pipe in pipe_nocrash.


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=17895