message: Update SymbolVendorMacOSX for new GetUUID interface
  The interface changed in r353714.
diff: @@ -39,9 +39,8 @@ static bool UUIDsMatch(Module *module, ObjectFile *ofile,
  lldb_private::Stream *feedback_strm) {
  if (module && ofile) {
  // Make sure the UUIDs match
  - lldb_private::UUID dsym_uuid;
  -
  - if (!ofile->GetUUID(&dsym_uuid)) {
  + lldb_private::UUID dsym_uuid = ofile->GetUUID();
  + if (!dsym_uuid) {
  if (feedback_strm) {
  feedback_strm->PutCString(
  "warning: failed to get the uuid for object file: '");
  @@ -162,8 +161,8 @@ SymbolVendorMacOSX::CreateInstance(const lldb::ModuleSP &module_sp,
  char dsym_path[PATH_MAX];
  if (module_sp->GetSourceMappingList().IsEmpty() &&
  dsym_fspec.GetPath(dsym_path, sizeof(dsym_path))) {
  - lldb_private::UUID dsym_uuid;
  - if (dsym_objfile_sp->GetUUID(&dsym_uuid)) {
  + lldb_private::UUID dsym_uuid = dsym_objfile_sp->GetUUID();
  + if (dsym_uuid) {
  std::string uuid_str = dsym_uuid.GetAsString();
  if (!uuid_str.empty()) {
  char *resources = strstr(dsym_path, "/Contents/Resources/");
  