He might, but there is some doubt now. This is an opportunity for other associations to come out publicly against Blatter. Ireland today announced that they will vote against him in light of the new dirt. Other parties, including Transparency International have called for Blatter's resignation.
I don't know how this will develop and the details of the separate Swiss investigation into the bids for the Russia and Qatar world cups haven't been released yet. But, in any case, shining a light on FIFA scumbaggery is a good thing.
The only remaining challenger for FIFA president, Prince Ali of Jordan (who seems to be a good guy), said "today is a sad day for football." The overwhelming response of football fans around the world has been OH HELL NO--THIS IS A GREAT DAY FOR FOOTBALL!