[poppler] [PATCH] Arthur backend fixes; poppler-qt4 direct rendering

[Matthias Fauconneau]

> Yep, the API sucks.

I ran valgrind again and it was still leaking. It should be tight now.
It would be great if more code could be shared with Splash, since the
leaks I've found where already fixed in the original splash backend.

> Are you sure you need the
> for (x = 0; x < width; x++) { *dest = *dest | 0xff000000; dest++; }
> ?

It works without when using direct rendering (both raster and opengl)
but not with renderToImage.
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