sonivox: Fix global buffer overflow in WT_InterpolateNoLoop am: 8bfcd9c03a am: 471c3bc380 am: 393f0fee8a am: 3310782787 am: bb6bb3aba8 am: dbe3e45eec am: ec47d4de99 am: 547b4c9abd am: 45d2d28821 am: 5e5dbbf9a7

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

Change-Id: Ia83592bf19594739852d46678f2cf08fa9e9a8b7