message: Update LLDB for r367649
  We now need an explicit cast from `Colors` to `char`.
diff: @@ -2860,7 +2860,8 @@ public:
  if (colors == SAVEDCOLOR)
  colorcode = llvm::sys::Process::OutputBold(bg);
  else
  - colorcode = llvm::sys::Process::OutputColor(colors, bold, bg);
  + colorcode =
  + llvm::sys::Process::OutputColor(static_cast<char>(colors), bold, bg);
  if (colorcode) {
  size_t len = strlen(colorcode);
  write(colorcode, len);
  