The Habs had six opportunities to make that game a little closer, and threw each of them in the trash. The Montreal Canadiens served as slump busters for the Buffalo Sabres on Tuesday night, losing 7-2 and permitting the visitors to end their eight-game slide. It was ugly right from the opening puck drop, and the Habs found themselves facing a three-goal deficit less than three minutes into the hockey game. Giving up three goals that quickly was a problem, but going scoreless on six power plays from there out was worse. In the end, six more goals was what…