OSV-2024-233 Use-of-uninitialized-value in WelsDec::CWelsDecoder::ReorderPicturesInDisplay

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=66003 Crash type: Use-of-uninitialized-value Crash state: WelsDec::CWelsDecoder::ReorderPicturesInDisplay WelsDec::CWelsDecoder::DecodeFrame2WithCtx WelsDec::CWelsDecoder::DecodeFrame2...