Integrate perlio:
Jarkko Hietaniemi [Wed, 13 Feb 2002 13:41:50 +0000 (13:41 +0000)]
[ 14677]
Do not lc() the file names before doing dirname() or they don't match.

p4raw-link: @14677 on //depot/perlio: 62bfa7e029213f726486db8d517340b008e273d7

p4raw-id: //depot/perl@14680


Trivial merge