message: Check for failures from QueueWaitIdle in vulkan queue flush
diff: @@ -345,7 +345,8 @@ void WrappedVulkan::FlushQ()
  // see comment in SubmitQ()
  if(m_Queue != VK_NULL_HANDLE)
  {
  - ObjDisp(m_Queue)->QueueWaitIdle(Unwrap(m_Queue));
  + VkResult vkr = ObjDisp(m_Queue)->QueueWaitIdle(Unwrap(m_Queue));
  + RDCASSERTEQUAL(vkr, VK_SUCCESS);
  }
  #if ENABLED(SINGLE_FLUSH_VALIDATE)
  