fix ITE audio on big-endian platforms
|Reported by:||fuzzie||Owned by:||SF/h00ligan|
|Cc:||Game:||Inherit the Earth|
Fix for bug #1374198, to make little-endian audio on big-endian platforms be byteswapped, as well as the other way around.
Minor patch, but I was asked on IRC to put it in the tracker.
Ticket imported from: #1375568. Ticket imported from: patches/599.