Bug#569509: crash with bad arguments for -D

[Kees Cook]

Package: net-tools
Version: 1.60-23
Severity: normal
Tags: patch
User: ubuntu-devel at lists.ubuntu.com
Usertags: origin-ubuntu lucid ubuntu-patch

Hi!

This fixes a harmless but confusing crash when using arp -D incorrectly.

Thanks,

-Kees

-- 
Kees Cook                                            @debian.org