Snippets for libphonenumber 9.0.38 from Nix aarch64-darwin

Sourced from https://hydra.nixos.org/log/m9j152mbj6jnjh0577ialz35n0v4i0w2-libphonenumber-9.0.38.drv.

• /nix/var/nix/builds/nix-59775-1823856717/source/cpp/src/phonenumbers/geocoding/phonenumber_offline_geocoder.cc:80:19: warning: 'MutexLock' is deprecated: Use the constructor that takes a reference instead [-Wdeprecated-declarations]
     80 |   absl::MutexLock l(&mu_);
        |                   ^
  

• /nix/var/nix/builds/nix-59775-1823856717/source/cpp/src/phonenumbers/geocoding/phonenumber_offline_geocoder.cc:198:19: warning: 'MutexLock' is deprecated: Use the constructor that takes a reference instead [-Wdeprecated-declarations]
    198 |   absl::MutexLock l(&mu_);
        |                   ^