He'll get away with it and won't be prosecuted, just like Comey didn't prosecute Hillary for how obviously she broke the law. Mueller was involved with this scandal as well and obviously won't turn himself in, so this will go nowhere.
However, once it becomes public that nothing will come of this, it will further infuriate the masses who are already on the brink of revolt after all of what came to light during the election. Trump knows this and will be addressing it in the near future.
RE: Tony Podesta Under Investigation By Mueller Probe