kern/123174: [ipfw] table add value lists as ip/uint16 instead of uint32.

[Andrey V. Elsukov]

julian at FreeBSD.org wrote:
> the change came as part of the change allowing:
> ipfw table 1 add 1.2.3.4 5.6.7.8
> ipfw add 100 fwd tablearg ip from table(1) to any

Hi, Julian.

When I looked this PR I found another bug.
There are several issues with `ipfw -n <some_cmd>`.
For example:
# ipfw -n table 1 list
# ifpw -n nat 1 show

and probably others command which didn't use `test_only` flag.

-- 
WBR, Andrey V. Elsukov