By Tzvi Machlin There was a small human error in the AP Poll Top 25 released ahead of college football’s Week 5. On Monday, AP voter Thomas Murphy posted on Twitter that he made a mistake when submitting his vote for this week’s poll. Murphy said that he meant to put in NC State at 17, but had UNC in there instead. He also had NC State at 18, and left Oregon out entirely. Murphy directed the Tweet at AP Poll organizer Ralph D. Russo, who crunched the numbers to see how it changed. As it turns out, the change was barely noticeable: “We cleaned up the misfire and the only differences were point …