message: Increase indexed file version
diff: @@ -264,7 +264,7 @@ std::string GetDocumentContentInRange(CXTranslationUnit cx_tu,
  } // namespace
  // static
  -int IndexFile::kCurrentVersion = 4;
  +int IndexFile::kCurrentVersion = 5;
  IndexFile::IndexFile(const std::string& path) : id_cache(path), path(path) {
  // TODO: Reconsider if we should still be reusing the same id_cache.
  