By that logic, Moveon.org could set up a booth with campaign materials in the polling place, as long as none of the people manning the booth had a relative as a candidate in the election.
Electioneering: "To work actively for a candidate or political party."
If she's saying anything to persuade people to support a particular candidate, or political stance, or party, she's electioneering, even if she doesn't even KNOW any of the people running.
Do you think you're the first person to read that law? It's been around a long time now and it's exceedingly rare for any voters to be cuffed and hauled away for talking while waiting in line to vote.