Fix assertion in 32-bit build.
Fix assertion in 32-bit build.

nicksay/brotli,google/brotli,google/brotli,szabadka/brotli,szabadka/brotli,smourier/brotli,nicksay/brotli,nicksay/brotli,google/brotli,minhlongdo/brotli,anthrotype/brotli,google/brotli,nicksay/brotli,anthrotype/brotli,minhlongdo/brotli,minhlongdo/brotli,nicksay/brotli,anthrotype/brotli,nicksay/brotli,minhlongdo/brotli,google/brotli,nicksay/brotli,smourier/brotli,google/brotli,smourier/brotli,anthrotype/brotli,smourier/brotli,google/brotli,anthrotype/brotli,szabadka/brotli,szabadka/brotli,google/brotli,smourier/brotli