Integrate perlio:
Jarkko Hietaniemi [Wed, 21 Mar 2001 20:30:54 +0000 (20:30 +0000)]
[  9285]
Multiplicity fix for Dumper.

p4raw-link: @9285 on //depot/perlio: 6cde4e9429924ded8fa67b82555e7528e0d47b56

p4raw-id: //depot/perl@9287


Trivial merge