6323628 /usr/xpg6/bin/xargs will coredump if given -n or -s flags with no argument.

[cynthia.east...@sun.com]

Author: ceastha
Repository: /hg/onnv/onnv-gate
Revision: 4fa98e79aa8cacc3ee6e3642cf306228cc9edcd1
Log message:
6323628 /usr/xpg6/bin/xargs will coredump if given -n or -s flags with no 
argument.

Files:
        update: usr/src/cmd/xargs/xargs.c