[PATCH v2] traceroute: add missing description of -i option to usage text

[Xabier Oneca -- xOneca]

Hello Denys,

2015-08-24 18:57 GMT+02:00 Denys Vlasenko <vda.linux at googlemail.com>:
> Help text needed more fixes than this one.
>
> I included your fix into a more extensive change. Thanks!

Ugh! Check the commit: you have mixed those traceroute fixes with
Bartosz's patch for inotifyd (inotifyd: -x: new option), but the
commit message only mentions help text fixes!

Cheers,

Xabier Oneca_,,_