Trivial icon addition to inspector

[Jeff Pihach]

Hi Gary,

That was added by Ant's branch yesterday, you might need to do a hard 
refresh on comingsoon.

-Jeff

Gary Poster wrote:
> Hey Huw (or anyone who wants to do this quickly before him).  Could you
> add this icon to the inspector for the landscape messages?
>
> https://www.dropbox.com/s/t4xmifzbr6zpxkl/inspector_landscape_warning.png
>
> Thank you!
>
> Gary
>