message: project: decrease score if .c is matched against .hh
diff: @@ -551,11 +551,16 @@ Project::Entry Project::findEntry(const std::string &path, bool can_redirect,
  if (!best) {
  // Infer args from a similar path.
  int best_score = INT_MIN;
  + auto [lang, header] = lookupExtension(path);
  for (auto &[root, folder] : root2folder)
  if (StringRef(path).startswith(root))
  for (const Entry &e : folder.entries)
  if (e.compdb_size) {
  int score = computeGuessScore(path, e.filename);
  + // Decrease score if .c is matched against .hh
  + auto [lang1, header1] = lookupExtension(e.filename);
  + if (lang != lang1 && !(lang == LanguageId::C && header))
  + score -= 30;
  if (score > best_score) {
  best_score = score;
  best_compdb_folder = &folder;
  