Before taking on the challenge of Shinnecock Hills at this week’s U.S. Open, Little Falls, N.J., native and Rutgers product Chris Gotterup sat down for some Q&A with The Post’s Steve Serby.  Q: What would it mean to you to win this U.S. Open? A: You just want to build yourself to be a major championship player . Obviously, if I could get it done this week at a local U.S. Open, it would be even more meaningful. But at the same time, there’s not pressure on myself to get it done. I just hope that