message: Add extra case to assert
diff: @@ -853,7 +853,7 @@ void D3D11DebugManager::GetBufferData(ID3D11Buffer *buffer, uint64_t offset, uin
  return;
  RDCASSERT(offset < 0xffffffff);
  - RDCASSERT(length <= 0xffffffff);
  + RDCASSERT(length <= 0xffffffff || length == ~0ULL);
  uint32_t offs = (uint32_t)offset;
  uint32_t len = (uint32_t)length;
  