[Bug-cpio] see help message twice

[積丹尼 Dan Jacobson]

Message shown twice:

$ cpio
cpio: You must specify one of -oipt options.
Try `cpio --help' or `cpio --usage' for more information.

Try 'cpio --help' or 'cpio --usage' for more information.

$ cpio --version
cpio (GNU cpio) 2.12