sonivox: Fix global buffer overflow in WT_InterpolateNoLoop am: 8bfcd9c03a am: 471c3bc380 am: 393f0fee8a am: 3310782787 am: bb6bb3aba8 am: dbe3e45eec am: ec47d4de99 am: 8be3a8c925

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/sonivox/+/15249031

Change-Id: I1c6ea8b90fb4487d637d83d211928141c243d5bf