Integrate perlio:
Jarkko Hietaniemi [Sun, 10 Jun 2001 16:07:28 +0000 (16:07 +0000)]
[ 10497]
Paper over a crack or two with USE_SFIO

p4raw-link: @10497 on //depot/perlio: 92bff44d1afc92cdac64a832f4753e65c2d1454b

p4raw-id: //depot/perl@10500


Trivial merge