message: Use sort_unique() - raw sort/unique usage was missing the vector::erase() call.
  Summary: Prior code lacked erase() after std::unique() - at worst, could cause segfaults.
diff: @@ -119,8 +119,7 @@ static void strip_src_strings(
  for (auto it : global_src_strings) {
  auto desc_vector = it.second;
  - std::sort(desc_vector.begin(), desc_vector.end());
  - std::unique(desc_vector.begin(), desc_vector.end());
  + sort_unique(desc_vector);
  fprintf(fd, "%s ->", it.first->c_str());
  for (auto str : desc_vector) {
  fprintf(fd, " %s,", str->c_str());
  