message: Fix a bug in example CubeReflection
diff: @@ -240,10 +240,10 @@ void init() {
  rfDescriptor.cAttachmentsState.hasDepthStencilAttachment = true;
  rfDescriptor.cDepthStencilAttachment.format = dawn::TextureFormat::D32FloatS8Uint;
  rfDescriptor.cColorAttachments[0]->format = GetPreferredSwapChainTextureFormat();
  - pDescriptor.cDepthStencilState.stencilFront.compare = dawn::CompareFunction::Equal;
  - pDescriptor.cDepthStencilState.stencilBack.compare = dawn::CompareFunction::Equal;
  - pDescriptor.cDepthStencilState.stencilFront.passOp = dawn::StencilOperation::Replace;
  - pDescriptor.cDepthStencilState.stencilBack.passOp = dawn::StencilOperation::Replace;
  + rfDescriptor.cDepthStencilState.stencilFront.compare = dawn::CompareFunction::Equal;
  + rfDescriptor.cDepthStencilState.stencilBack.compare = dawn::CompareFunction::Equal;
  + rfDescriptor.cDepthStencilState.stencilFront.passOp = dawn::StencilOperation::Replace;
  + rfDescriptor.cDepthStencilState.stencilBack.passOp = dawn::StencilOperation::Replace;
  rfDescriptor.cDepthStencilState.depthWriteEnabled = true;
  rfDescriptor.cDepthStencilState.depthCompare = dawn::CompareFunction::Less;
  