Add -Q option to specify 802.1Q priority.

[NikAleksandrov]

Since the 802.1p priority is a part of the 802.1Q VLAN header, it requires that the -V option is also specified. The allowed priority values are 0 (default) - 7.

Signed-off-by: Nikolay Aleksandrov razor@blackwall.org

[ThomasHabets]

You should be able to replace the commit here without opening a new pull request. I'm not familiar enough with github to describe exactly how.

[NikAleksandrov]

Yup, forced it. This version has arping.8 updated, also all tabs -> spaces and removed the unnecessary comment.

[NikAleksandrov]

Fixed, this time just in case grepped for tabs and didn't find any in the changed/added lines.