Merge commit 'd16ec1b6db25bc348b0d4800c9a0c9b7070e3710'

* commit 'd16ec1b6db25bc348b0d4800c9a0c9b7070e3710':
  atrac3plus: always initialize refwaves

The initialization is not needed, the array is never read before
being written to. Its merged anyway for robustness in respect to
future changes

Merged-by: Michael Niedermayer <michaelni@gmx.at>

diff --cc libavcodec/atrac3plus.c
Simple merge