Integrate perlio:
Jarkko Hietaniemi [Thu, 30 May 2002 20:49:34 +0000 (20:49 +0000)]
[ 16895]
Play safe and avoid writes to stdio's buffer (for glibc2.3)
p4raw-link: @16895 on //depot/perlio: 313e59c8f773fc5f3cb2659752fdcf7e00b2ec27

p4raw-id: //depot/perl@16908


Trivial merge