Marian Gaborik, the Rangers’ top scorer during the regular season,will have surgery to repair a torn labrum in his shoulder and will miss five to six months.If Gaborik’s estimate is correct, he would not be ready to return to action until November, the second month of the 2012-13 season.Gaborik, 30, appeared in all 82 regular-season games, scoring 41 goals, third-most in the NHL. He appeared in