message: cli-wrapper-mpxtable.cpp: fix file header
diff: -//===-- cli-wrapper-mpxtable.cpp----------------------------------*- C++
  -//-*-===//
  +//===-- cli-wrapper-mpxtable.cpp --------------------------------*- C++ -*-===//
  //
  // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  // See https://llvm.org/LICENSE.txt for license information.
  