In about a week, Minnesota Vikings special teams coach Mike Priefer has gone from seeing his name on a watch list for NFL head-coaching jobs published by a newspaper of note to seeing it on the wrong end of what could be career-killing allegations. Priefer, a Naval Academy grad who reportedly flew helicopters as part of SEAL missions in the early 1990s, stands accused by former Vikings punter Chris Kluwe of “using homophobic language in my presence” in a response to Kluwe’s outspoken support of gay rights — outspokenness that, the punter says, cost him his job last May. Kluwe…