am eda49b16: am 3f79dbfc: am d77786c6: am a6c650a9: am 436b32d1: am d2605273: Ogg: avoid size_t overflow in base64 decoding

* commit 'eda49b160b0d730140f0ab48cf7a4013f2d97f30':
  Ogg: avoid size_t overflow in base64 decoding