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Merge branch '462-use-of-uninitialized-memory-in-external-hrtf-deallocation-in-decoder-together-with-br-switching' of forge.3gpp.org:ivas-codec-pc/ivas-codec into 462-use-of-uninitialized-memory-in-external-hrtf-deallocation-in-decoder-together-with-br-switching