[cairo] PDF output always different

[Adrian Johnson]

Kristof Van Landschoot wrote:
> Hi,
> 
> We've found that even with running the same set of cairo commands the 
> order in which the objects in the PDF output appear isn't predictable.  
>  From what I can see in the code I think the hash maps that are used to 
> store the fonts might be the reason for that.  Is there something we can 
> do about this?

I've attached a patch that ensures the fonts are embedded in a 
predictable order. Let us know if this fixes the problem.
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